Proteinase K
蛋白酶K
Also known as: Protease K, Endopeptidase K, Tritirachium album proteinase K, Tritirachium alkaline proteinase
Proteinase K (CAS 39450-01-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C22H25N5O2 and a molecular weight of 391.466 g/mol. It is also known as Protease K, Endopeptidase K and Tritirachium album proteinase K. Key property: a density of 1.3±0.1 g/cm3. 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.
- 39450-01-6
- Jingsj CID
- J-50289-4
- Molecular Formula
- C22H25N5O2
- Chinese Name
- 蛋白酶K
- Molecular Weight
- 391.466 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Density | 1.3±0.1 g/cm3 |
|---|---|
| Exact Mass | 391.200836 |
| LogP | 2.50 |
| Appearance | powder | white |
| Refractive Index | 1.648 |
| Additional Property | H2O: 10 mg/mL, slightly hazy, brown-yellow | Miscible with water. |
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]. W Ebeling, et al. Proteinase K From Tritirachium Album Limber. Eur J Biochem . 1974 Aug 15;47(1):91-7. |
|---|
Frequently Asked Questions
What is the CAS number of Proteinase K?
The CAS number of Proteinase K is 39450-01-6.
What are the molecular formula and molecular weight of Proteinase K?
Proteinase K has molecular formula C22H25N5O2 and molecular weight 391.466 g/mol.
Is Proteinase K hazardous?
Proteinase K 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. "Proteinase K (CAS 39450-01-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-50289-4 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.