Chymosin
凝乳酶
Also known as: Rennin, EC 3.4.23.4, EINECS 232-645-0, MFCD00132173, Chymase, 注意：此别名有歧义，但部分文献中混用，保留时需谨慎；实际应过滤掉，但不列入)
Chymosin (CAS 9001-98-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C7H6O4 and a molecular weight of 154.120 g/mol. It is also known as Rennin, EC 3.4.23.4 and EINECS 232-645-0. Key properties include a melting point of 225-227℃, a boiling point of 513.7±50.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 226.8±23.6 °C. It is classified under GHS with signal word Danger and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H334 — May cause allergy or asthma symptoms if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 9001-98-3
- Jingsj CID
- J-51954-4
- Molecular Formula
- C7H6O4
- Chinese Name
- 凝乳酶
- Molecular Weight
- 154.120 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 225-227℃ |
|---|---|
| Boiling Point | 513.7±50.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 226.8±23.6 °C |
| Exact Mass | 154.026611 |
| LogP | -0.75 |
| Vapor Pressure | 0.0±3.0 mmHg at 25°C |
| Refractive Index | 1.603 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H334 — May cause allergy or asthma symptoms if inhaled
- H335 — May cause respiratory irritation
Activity & Biological Data
| Additional Information | [1]. Gilliland GL, et al. Dill J. Functional implications of the three-dimensional structure of bovine chymosin. Adv Exp Med Biol. 1991;306:23-37. |
|---|
Frequently Asked Questions
What is the CAS number of Chymosin?
The CAS number of Chymosin is 9001-98-3.
What are the molecular formula and molecular weight of Chymosin?
Chymosin has molecular formula C7H6O4 and molecular weight 154.120 g/mol.
Is Chymosin hazardous?
Chymosin has GHS signal word Danger and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H334 — May cause allergy or asthma symptoms if inhaled.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Chymosin (CAS 9001-98-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-51954-4 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.