Azathioprine
Also known as: Imuran, Azamun, Azanin, Imurek, Imurel, BW57-322, 6-(1-methyl-4-nitroimidazol-5-ylthio)purine, 6-[(1-methyl-4-nitro-1H-imidazol-5-yl)thio]-1H-purine, Azathiopurine, Azatioprin
Azathioprine (CAS 446-86-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H7N7O2S and a molecular weight of 277.263 g/mol. Key properties include a melting point of 243-244°C, a boiling point of 685.7±55.0 °C at 760 mmHg, a density of 1.9±0.1 g/cm3 and a flash point of 368.5±31.5 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. It is listed by 1 supplier, from 140.04 to 199.80 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 446-86-6
- Jingsj CID
- J-42131-1
- Molecular Formula
- C9H7N7O2S
- Molecular Weight
- 277.263 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | >98.0%(T) 25g | ¥3,501.00 | $20.96 /gBest ¥140.04/g CNY | CN China MOQ 25g | |
In Stock | >98.0%(T) 5g | ¥999.00 | $29.9 /g ¥199.80/g CNY | CN China MOQ 5g |
Physicochemical Properties
| Melting Point | 243-244°C |
|---|---|
| Boiling Point | 685.7±55.0 °C at 760 mmHg |
| Density | 1.9±0.1 g/cm3 |
| Flash Point | 368.5±31.5 °C |
| Exact Mass | 277.038177 |
| PSA | 143.40000 |
| LogP | 0.67 |
| Vapor Pressure | 0.0±2.1 mmHg at 25°C |
| Refractive Index | 1.924 |
| Additional Property | <0.1 g/100 mL at 23 ºC |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
- H350 — May cause cancer
Activity & Biological Data
| Additional Information | [1]. Patel, A.A., R.A. Swerlick, and C.O. McCall, Azathioprine in dermatology: the past, the present, and the future. J Am Acad Dermatol, 2006. 55(3): p. 369-89. [2]. Maltzman, J.S. and G.A. Koretzky, Azathioprine: old drug, new actions. J Clin Invest, 2003. 111(8): p. 1122-4. [3]. Dubinsky, M.C., Azathioprine, 6-mercaptopurine in inflammatory bowel disease: pharmacology, efficacy, and safety. Clin Gastroenterol Hepatol, 2004. 2(9): p. 731-43. |
|---|
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of Azathioprine?
The CAS number of Azathioprine is 446-86-6.
What are the molecular formula and molecular weight of Azathioprine?
Azathioprine has molecular formula C9H7N7O2S and molecular weight 277.263 g/mol.
Which suppliers offer Azathioprine?
1 supplier(s) listed; reference unit price ¥140.04–199.80 /g.
Is Azathioprine hazardous?
Azathioprine has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of Azathioprine?
For Azathioprine, Downstream Products: 7-Methyl-6-mercaptopurine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Azathioprine (CAS 446-86-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42131-1 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.