# Chemistry (CHEM) — Fall 2026 schedule

Rio Hondo College · 29 sections · Seat counts as of 2026-10-18

Source: https://prod-ssb9-registration.riohondo.edu:8443/StudentRegistrationSsb/ssb/term/termSelection?mode=search

Term dates: Aug 15, 2026 – Dec 5, 2026 (from the sections' dates) · 5 sessions, with dates: /c/rio-hondo-college/schedule/fall-2026/index.json · Academic calendar: https://www.riohondo.edu/academics/calendar/

Course descriptions: 2026-2027 catalog, /c/rio-hondo-college/catalog/2026-2027/courses/chem.md

## CHEM 110 — Chemistry for Allied Health Majors (5 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 76968 | 0 | In person, CH Weekly Census | Class: Mon/Wed 8:00–10:05am, Science 333; Lab: Mon 10:15am–1:25pm, Science 324 | Aug 15–Dec 5 | Steven Johnson | Full (24/24) |
| 76969 | 0 | In person, CH Weekly Census | Class: Mon/Wed 8:00–10:05am, Science 333; Lab: Wed 10:15am–1:25pm, Science 324 | Aug 15–Dec 5 | Steven Johnson | 5 of 24 open |
| 77033 | 0 | In person, CH Weekly Census | Class: Mon/Wed 5:00–7:05pm, Science 336; Lab: Mon 7:15–10:25pm, Science 324 | Aug 15–Dec 5 | Alan Efron, Myeong Jeong | 7 of 24 open |
| 77034 | 0 | In person, CH Weekly Census | Class: Mon/Wed 5:00–7:05pm, Science 336; Lab: Wed 7:15–10:25pm, Science 324 | Aug 15–Dec 5 | Alan Efron, Myeong Jeong | 7 of 24 open |
| 77038 | 0 | In person, CH Weekly Census | Class: Fri 9:35am–1:50pm, Science 330; Lab: Fri 2:00–5:10pm, Science 324 | Aug 15–Dec 5 | Miguel Jimenez | 11 of 24 open |
| 77039 | 0 | In person, CH Weekly Census | Class: Tue/Thu 5:00–7:05pm, Science 333; Lab: Tue 7:15–10:25pm, Science 324 | Aug 15–Dec 5 | Jordan Vincent | 8 of 24 open |
| 77040 | 0 | In person, CH Weekly Census | Class: Tue/Thu 5:00–7:05pm, Science 333; Lab: Thu 7:15–10:25pm, Science 324 | Aug 15–Dec 5 | Jordan Vincent | 4 of 24 open |
| 70716 | 01 | In person, CH Weekly Census | Class: Tue/Thu 12:45–2:50pm, Science 136; Lab: Tue 3:00–6:10pm, Science 324 | Aug 15–Dec 5 | Ralph Isovitsch, Myeong Jeong | 6 of 24 open |
| 70717 | 02 | In person, CH Weekly Census | Class: Sat 8:00am–12:15pm, Science 330; Lab: Sat 12:25–3:35pm, Science 324 | Aug 15–Dec 5 | Ahmad Alshawa | 5 of 24 open |
| 70720 | 03 | In person, CH Weekly Census | Class: Tue/Thu 8:00–10:05am, Science 333; Lab: Tue 10:15am–1:25pm, Science 324 | Aug 15–Dec 5 | Allen Leung | 3 of 24 open |
| 70721 | 04 | In person, CH Weekly Census | Class: Tue/Thu 8:00–10:05am, Science 333; Lab: Thu 10:15–11:40am, Science 324; Lab: Thu 11:50am–1:15pm, Science 324 | Aug 15–Dec 5 | Allen Leung | Full (24/24), 1 waitlisted |
| 70723 | 06 | In person, CH Weekly Census | Class: Tue/Thu 12:45–2:50pm, Science 136; Lab: Thu 3:00–6:10pm, Science 324 | Aug 15–Dec 5 | Ralph Isovitsch, Myeong Jeong | 16 of 24 open |

## CHEM 120 — Introduction to Chemistry (5 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 77036 | 0 | In person, CH Weekly Census | Class: Mon/Wed 5:00–7:05pm, Science 333; Lab: Wed 7:15–10:25pm, Science 331 | Aug 15–Dec 5 | Michael Giblin | 5 of 24 open, 1 waitlisted |
| 77037 | 0 | In person, CH Weekly Census | Class: Mon/Wed 5:00–7:05pm, Science 333; Lab: Mon 7:15–10:25pm, Science 331 | Aug 15–Dec 5 | Michael Giblin | 5 of 24 open |
| 70724 | 01 | In person, CH Weekly Census | Lab: Tue 7:30–10:40am, Science 331; Class: Tue 10:50am–12:55pm, Science 333; Class: Thu 10:50am–12:55pm, Science 333 | Aug 15–Dec 5 | Garima Garg | 6 of 24 open |
| 70725 | 02 | In person, CH Weekly Census | Class: Tue/Thu 10:50am–12:55pm, Science 333; Lab: Thu 7:30–10:40am, Science 331 | Aug 15–Dec 5 | Garima Garg | 1 of 24 open |
| 70726 | 03 | In person, CH Weekly Census | Class: Fri 9:35–11:30am, Science 326; Class: Fri 11:40am–1:50pm, Science 326; Lab: Fri 2:00–5:10pm, Science 331 | Aug 15–Dec 5 | Theodros Kidane | 4 of 24 open, 1 waitlisted |
| 73698 | 04 | In person, CH Weekly Census | Class: Sat 8:00am–12:15pm, Science 326; Lab: Sat 12:25–3:35pm, Science 331 | Aug 15–Dec 5 | Sen Wang | 8 of 24 open |
| 75144 | 05 | In person, CH Weekly Census | Class: Tue 1:40–3:45pm, Science; Lab: Tue 4:00–7:10pm, Science; Class: Thu 1:40–3:45pm, Science | Aug 15–Dec 5 | Staff | Full (0/0) |
| 78848 | 05 | In person, CH Weekly Census | Class: Tue/Thu 1:40–3:45pm, Science 333; Lab: Tue 4:00–7:10pm, Science 331 | Aug 15–Dec 5 | Claudia Molina | 3 of 24 open, 1 waitlisted |
| 75145 | 06 | In person, CH Weekly Census | Class: Tue/Thu 1:40–3:45pm, Science 333; Lab: Thu 4:00–7:10pm, Science 331 | Aug 15–Dec 5 | Claudia Molina | 2 of 24 open |

## CHEM 130 — General Chemistry I (5 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 70738 | 01 | In person, CH Weekly Census | Lab: Mon/Wed 8:00–11:05am, Science 331; Class: Mon/Wed 11:15am–12:40pm, Science 221 | Aug 15–Dec 5 | Allen Leung | 1 of 24 open |
| 70739 | 02 | In person, CH Weekly Census | Class: Mon/Wed 11:15am–12:40pm, Science 221; Lab: Mon/Wed 12:50–3:55pm, Science 331 | Aug 15–Dec 5 | Allen Leung | 2 of 24 open |
| 75146 | 03 | In person, CH Weekly Census | Lab: Tue/Thu 11:15am–2:20pm, Science 325; Class: Tue/Thu 2:30–3:55pm, Science 221 | Aug 15–Dec 5 | Mathew Koutroulis | Full (26/24) |
| 75692 | 04 | In person, CH Weekly Census | Class: Tue/Thu 2:30–3:55pm, Science 221; Lab: Tue/Thu 4:05–7:10pm, Science 325 | Aug 15–Dec 5 | Mathew Koutroulis, Ling-I Chen | 14 of 24 open |

## CHEM 140 — General Chemistry II (5 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 73728 | 01 | In person, CH Weekly Census | Lab: Mon/Wed 8:00–11:05am, Science 325; Class: Mon/Wed 11:15am–12:40pm, Science 333 | Aug 15–Dec 5 | Theodros Kidane | 2 of 24 open |
| 75687 | 02 | In person, CH Weekly Census | Class: Mon/Wed 11:15am–12:40pm, Science 333; Lab: Tue/Thu 8:00–11:05am, Science 325 | Aug 15–Dec 5 | Theodros Kidane | 5 of 24 open |

## CHEM 230 — Organic Chemistry I (5 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 70744 | 01 | In person, CH Weekly Census | Class: Mon/Wed 9:35–11:00am, Science 326; Lab: Mon/Wed 11:15am–2:20pm, Science 325 | Aug 15–Dec 5 | Garima Garg | 1 of 24 open |

## CHEM 231 — Organic Chemistry II (5 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 77315 | 0 | In person, CH Weekly Census | Class: Mon/Wed 12:50–2:15pm, Science 333; Lab: Mon/Wed 2:30–5:35pm, Science 325 | Aug 15–Dec 5 | Mathew Koutroulis | 17 of 24 open |