Undergraduate Prerequisites: (CASCH 102 OR CASCH 110) - Fundamentals of contemporary organic chemistry, including skeletal and electronic structure, stereochemistry, and reactions of important functional groups. Applications of organic reactions to important synthetic targets in materials and drug discovery will be highlighted, as will reactions pertinent to biochemistry. Laboratory includes training in basic organic chemistry skills, such as extraction, reaction performance, spectroscopy interpretation and chromatography. Effective Fall 2018, this course fulfills a single unit in each of the following BU Hub areas: Quantitative Reasoning 1, Scientific Inquiry 1.
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| A1 |
Courtney |
NO ROOM |
R 6:30 pm-8:30 pm |
Students registering for Organic Chemistry I must register for three sections of CASCH 203 (a LEC, a DIS, and a LAB) as well as one section of its co-requisite, CASCH 203P (a Pre-Lab).
If you are unable to register for the course or you need to swap a section, please submit a "Course Interest Form" linked here: https://forms.gle/bFdA47qdm9qR3GDT6
This course has a departmental add/swap deadline of September 9, 2026. NO additional enrollments or swaps will be processed after this deadline.
IMPORTANT: Students registered for CH203 should reserve Thursdays from 6:30-8:30pm for exams throughout the term. |
| A1 |
Courtney |
SCI 109 |
TR 8:00 am-9:15 am |
Students registering for Organic Chemistry I must register for three sections of CASCH 203 (a LEC, a DIS, and a LAB) as well as one section of its co-requisite, CASCH 203P (a Pre-Lab).
If you are unable to register for the course or you need to swap a section, please submit a "Course Interest Form" linked here: https://forms.gle/bFdA47qdm9qR3GDT6
This course has a departmental add/swap deadline of September 9, 2026. NO additional enrollments or swaps will be processed after this deadline.
IMPORTANT: Students registered for CH203 should reserve Thursdays from 6:30-8:30pm for exams throughout the term. |
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| A2 |
Courtney |
NO ROOM |
R 6:30 pm-8:30 pm |
Students registering for Organic Chemistry I must register for three sections of CASCH 203 (a LEC, a DIS, and a LAB) as well as one section of its co-requisite, CASCH 203P (a Pre-Lab).
If you are unable to register for the course or you need to swap a section, please submit a "Course Interest Form" linked here: https://forms.gle/bFdA47qdm9qR3GDT6
This course has a departmental add/swap deadline of September 9, 2026. NO additional enrollments or swaps will be processed after this deadline.
IMPORTANT: Students registered for CH203 should reserve Thursdays from 6:30-8:30pm for exams throughout the term. |
| A2 |
Courtney |
SCI 109 |
TR 11:00 am-12:15 pm |
Students registering for Organic Chemistry I must register for three sections of CASCH 203 (a LEC, a DIS, and a LAB) as well as one section of its co-requisite, CASCH 203P (a Pre-Lab).
If you are unable to register for the course or you need to swap a section, please submit a "Course Interest Form" linked here: https://forms.gle/bFdA47qdm9qR3GDT6
This course has a departmental add/swap deadline of September 9, 2026. NO additional enrollments or swaps will be processed after this deadline.
IMPORTANT: Students registered for CH203 should reserve Thursdays from 6:30-8:30pm for exams throughout the term. |
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| A3 |
Courtney |
NO ROOM |
R 6:30 pm-8:30 pm |
Students registering for Organic Chemistry I must register for three sections of CASCH 203 (a LEC, a DIS, and a LAB) as well as one section of its co-requisite, CASCH 203P (a Pre-Lab).
If you are unable to register for the course or you need to swap a section, please submit a "Course Interest Form" linked here: https://forms.gle/bFdA47qdm9qR3GDT6
This course has a departmental add/swap deadline of September 9, 2026. NO additional enrollments or swaps will be processed after this deadline.
IMPORTANT: Students registered for CH203 should reserve Thursdays from 6:30-8:30pm for exams throughout the term. |
| A3 |
Courtney |
SCI 109 |
TR 5:00 pm-6:15 pm |
Students registering for Organic Chemistry I must register for three sections of CASCH 203 (a LEC, a DIS, and a LAB) as well as one section of its co-requisite, CASCH 203P (a Pre-Lab).
If you are unable to register for the course or you need to swap a section, please submit a "Course Interest Form" linked here: https://forms.gle/bFdA47qdm9qR3GDT6
This course has a departmental add/swap deadline of September 9, 2026. NO additional enrollments or swaps will be processed after this deadline.
IMPORTANT: Students registered for CH203 should reserve Thursdays from 6:30-8:30pm for exams throughout the term. |
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| A4 |
Courtney |
NO ROOM |
R 6:30 pm-8:30 pm |
Students registering for Organic Chemistry I must register for three sections of CASCH 203 (a LEC, a DIS, and a LAB) as well as one section of its co-requisite, CASCH 203P (a Pre-Lab).
If you are unable to register for the course or you need to swap a section, please submit a "Course Interest Form" linked here: https://forms.gle/bFdA47qdm9qR3GDT6
This course has a departmental add/swap deadline of September 9, 2026. NO additional enrollments or swaps will be processed after this deadline.
IMPORTANT: Students registered for CH203 should reserve Thursdays from 6:30-8:30pm for exams throughout the term. |
| A4 |
Courtney |
SCI 109 |
TR 12:30 pm-1:45 pm |
Students registering for Organic Chemistry I must register for three sections of CASCH 203 (a LEC, a DIS, and a LAB) as well as one section of its co-requisite, CASCH 203P (a Pre-Lab).
If you are unable to register for the course or you need to swap a section, please submit a "Course Interest Form" linked here: https://forms.gle/bFdA47qdm9qR3GDT6
This course has a departmental add/swap deadline of September 9, 2026. NO additional enrollments or swaps will be processed after this deadline.
IMPORTANT: Students registered for CH203 should reserve Thursdays from 6:30-8:30pm for exams throughout the term. |
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| C1 |
Courtney, Tepper |
FLR 121 |
T 11:15 am-12:05 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| C2 |
Courtney, Tepper |
CAS 320 |
T 2:00 pm-2:50 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| D0 |
Courtney, Tepper |
CAS 220 |
W 10:10 am-11:00 am |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| D1 |
Courtney, Tepper |
CAS 220 |
W 11:15 am-12:05 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| D2 |
Courtney, Reller |
CAS 229 |
W 11:15 am-12:05 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| D3 |
Courtney, Reller |
CAS 220 |
W 12:20 pm-1:10 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| D4 |
Courtney |
CAS 204B |
W 12:20 pm-1:10 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| D5 |
Courtney, Reller |
CAS 220 |
W 1:25 pm-2:15 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| D6 |
Courtney |
CAS 204B |
W 1:25 pm-2:15 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| D7 |
Courtney |
CAS 220 |
W 2:30 pm-3:20 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| D8 |
Courtney, Reller |
CAS 220 |
W 3:35 pm-4:25 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| D9 |
Courtney, Tepper |
CAS 204B |
W 3:35 pm-4:25 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| DA |
Courtney, Genova |
CAS 220 |
M 9:05 am-9:55 am |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| DB |
Courtney, Clarke |
CAS 204B |
M 10:10 am-11:00 am |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| DC |
Courtney, Genova |
CAS 220 |
M 12:20 pm-1:10 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| DD |
Courtney, Clarke |
CAS 204B |
M 12:20 pm-1:10 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| DE |
Courtney, Genova |
CAS 204B |
M 1:25 pm-2:15 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| DF |
Courtney, Clarke |
PRB 146 |
M 1:25 pm-2:15 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| DH |
Courtney, Genova |
PRB 146 |
M 2:30 pm-3:20 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| DI |
Courtney, Larrow |
PRB 150 |
T 9:30 am-10:20 am |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| DJ |
Courtney, Larrow |
CAS 229 |
T 11:15 am-12:05 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| DK |
Courtney, Larrow |
CAS 237 |
T 12:30 pm-1:20 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| DM |
Courtney, Reller |
CAS 220 |
T 2:00 pm-2:50 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| DN |
Courtney, Reller |
CAS 220 |
T 3:35 pm-4:25 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| DO |
Courtney |
CAS 204B |
T 3:35 pm-4:25 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| DP |
Courtney |
CAS 223 |
T 6:30 pm-7:20 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| DQ |
Courtney, Reller |
CAS 229 |
W 2:30 pm-3:20 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| DR |
Courtney, Larrow |
CAS 204B |
W 9:05 am-9:55 am |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| DS |
Courtney |
CAS 220 |
W 9:05 am-9:55 am |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| DT |
Courtney, Larrow |
CAS 204B |
W 10:10 am-11:00 am |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| DU |
Courtney, Reller |
CAS 220 |
M 1:25 pm-2:15 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| DV |
Courtney, Clarke |
CAS 220 |
M 2:30 pm-3:20 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| DW |
Courtney, Reller |
PRB 150 |
T 12:30 pm-1:20 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| DX |
Courtney, Clarke |
CAS 204B |
M 9:05 am-9:55 am |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| DY |
Courtney, Genova |
SCI 294 |
M 10:10 am-11:00 am |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| DZ |
Courtney, Reller |
CAS 229 |
T 9:30 am-10:20 am |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| L0 |
Mclernon |
SCI 348B |
W 5:30 pm-8:15 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| L1 |
Mclernon |
SCI 348C |
W 5:30 pm-8:15 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| L2 |
Mclernon |
SCI 348A |
R 9:30 am-12:15 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| L3 |
Mclernon |
SCI 348B |
R 9:30 am-12:15 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| L4 |
Mclernon |
SCI 348C |
R 9:30 am-12:15 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| L5 |
Mclernon, Fine |
SCI 348A |
R 12:30 pm-3:15 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| L6 |
Mclernon, Moradei |
SCI 348B |
R 12:30 pm-3:15 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| L7 |
Mclernon |
SCI 348C |
R 12:30 pm-3:15 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| L8 |
Mclernon, Peddinti |
SCI 348A |
F 8:00 am-10:45 am |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| L9 |
Mclernon |
SCI 348B |
F 8:00 am-10:45 am |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LA |
Mclernon, Milano |
SCI 348A |
M 11:15 am-2:00 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LB |
Mclernon, Peddinti |
SCI 348B |
M 11:15 am-2:00 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LC |
Mclernon, Rafetzeder |
SCI 348C |
M 11:15 am-2:00 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LD |
Mclernon, DeNyse |
SCI 348A |
M 2:30 pm-5:15 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LE |
Mclernon, Peddinti |
SCI 348B |
M 2:30 pm-5:15 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LF |
Mclernon, Sebold |
SCI 348C |
M 2:30 pm-5:15 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LG |
Mclernon, Milano |
SCI 348A |
M 5:30 pm-8:15 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LH |
Mclernon |
SCI 348B |
M 5:30 pm-8:15 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LI |
Mclernon, Garbacz |
SCI 348C |
M 5:30 pm-8:15 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LJ |
Mclernon, Milano |
SCI 348A |
T 9:30 am-12:15 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LK |
Mclernon, Tahsin |
SCI 348B |
T 9:30 am-12:15 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LL |
Mclernon, DeNyse |
SCI 348C |
T 9:30 am-12:15 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LM |
Mclernon, Fine |
SCI 348A |
T 12:30 pm-3:15 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LN |
Mclernon, Moradei |
SCI 348B |
T 12:30 pm-3:15 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LO |
Mclernon |
SCI 348C |
T 12:30 pm-3:15 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LP |
Mclernon, Fine |
SCI 348A |
T 3:30 pm-6:15 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LQ |
Mclernon, DeNyse |
SCI 348C |
T 3:30 pm-6:15 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LR |
Mclernon |
SCI 348A |
T 6:30 pm-9:15 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LS |
Mclernon, Mayenli |
SCI 348C |
T 6:30 pm-9:15 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LT |
Mclernon, Chai |
SCI 348A |
W 8:00 am-10:45 am |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LU |
Mclernon |
SCI 348C |
W 8:00 am-10:45 am |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LV |
Mclernon |
SCI 348A |
W 11:15 am-2:00 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LW |
Mclernon |
SCI 348C |
W 11:15 am-2:00 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LX |
Mclernon, Sebold |
SCI 348A |
W 2:30 pm-5:15 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LY |
Mclernon |
SCI 348C |
W 2:30 pm-5:15 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LZ |
Mclernon, Sebold |
SCI 348A |
W 5:30 pm-8:15 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| MA |
Mclernon, Rafetzeder |
SCI 348C |
F 8:00 am-10:45 am |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| MB |
Mclernon, Chai |
SCI 348A |
F 11:15 am-2:00 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| MC |
Mclernon, Tahsin |
SCI 348B |
F 11:15 am-2:00 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| MD |
Mclernon, Rafetzeder |
SCI 348C |
F 11:15 am-2:00 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| ME |
Mclernon, Chai |
SCI 348A |
F 2:30 pm-5:15 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| MF |
Mclernon, Moradei |
SCI 348B |
F 2:30 pm-5:15 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| MG |
Mclernon |
SCI 348A |
F 5:30 pm-8:15 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| MH |
Mclernon, Tahsin |
SCI 348B |
F 5:30 pm-8:15 pm |
|
FALL 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| MI |
Mclernon, Ren |
SCI 348C |
F 5:30 pm-8:15 pm |
|
Note that this information may change at any time. Please visit the MyBU Student Portal for the most up-to-date course information.
