Azacitidine

Also known as: 5-Azacytidine, Ladakamycin, Vidaza, 5-AC, 5-AZAC, 5-AZCR, 4-Amino-1-β-D-ribofuranosyl-1,3,5-triazin-2(1H)-one, NSC 102816, U-18496, Mylosar

Azacitidine (CAS 320-67-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C8H12N4O5 and a molecular weight of 244.205 g/mol. Key properties include a melting point of 226-232 °C (dec.)(lit.), a boiling point of 534.5±60.0 °C at 760 mmHg, a density of 2.1±0.1 g/cm3 and a flash point of 277.0±32.9 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed and H350 — May cause cancer. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 320-67-2
Jingsj CID: J-35713-1
Molecular Formula: C₈H₁₂N₄O₅
Molecular Weight: 244.205 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	226-232 °C (dec.)(lit.)
Boiling Point	534.5±60.0 °C at 760 mmHg
Density	2.1±0.1 g/cm3
Flash Point	277.0±32.9 °C
Exact Mass	244.080765
PSA	143.72000
LogP	-1.99
Vapor Pressure	0.0±3.2 mmHg at 25°C
Refractive Index	1.823
Additional Property	0.5-1.0 g/100 mL at 21 ºC

GHS Safety & Compliance

Irritant / Health HazardSignal word: Danger

H302 — Harmful if swallowed
H350 — May cause cancer

Activity & Biological Data

Target	DNMT1 Nucleoside Antimetabolite/Analog Autophagy
Additional Information	[1]. Christman JK. 5-Azacytidine and 5-aza-2'-deoxycytidine as inhibitors of DNA methylation: mechanistic studies and their implications for cancer therapy. Oncogene. 2002 Aug 12;21(35):5483-95. [2]. Creusot F, et al. Inhibition of DNA methyltransferase and induction of Friend erythroleukemia cell differentiation by 5-azacytidineand 5-aza-2'-deoxycytidine. J Biol Chem. 1982 Feb 25;257(4):2041-8. [3]. Li LH,et al. Cytotoxicity and mode of action of 5-azacytidine on L1210 leukemia. Cancer Res. 1970 Nov;30(11):2760-9.

Target

DNMT1 Nucleoside Antimetabolite/Analog Autophagy

Additional Information

[1]. Christman JK. 5-Azacytidine and 5-aza-2'-deoxycytidine as inhibitors of DNA methylation: mechanistic studies and their implications for cancer therapy. Oncogene. 2002 Aug 12;21(35):5483-95. [2]. Creusot F, et al. Inhibition of DNA methyltransferase and induction of Friend erythroleukemia cell differentiation by 5-azacytidineand 5-aza-2'-deoxycytidine. J Biol Chem. 1982 Feb 25;257(4):2041-8. [3]. Li LH,et al. Cytotoxicity and mode of action of 5-azacytidine on L1210 leukemia. Cancer Res. 1970 Nov;30(11):2760-9.

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. 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 Azacitidine?

The CAS number of Azacitidine is 320-67-2.

What are the molecular formula and molecular weight of Azacitidine?

Azacitidine has molecular formula C8H12N4O5 and molecular weight 244.205 g/mol.

Is Azacitidine hazardous?

Azacitidine has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H350 — May cause cancer.

What are the upstream and downstream products of Azacitidine?

For Azacitidine, Upstream Products: beta-D-Ribofuranose 1-acetate 2,3,5-tribenzoate, N-(Trimethylsilyl)-4-[(trimethylsilyl)oxy]-1,3,5-triazin-2-amine, beta-D-Ribofuranose 1,2,3,5-tetraacetate.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Azacitidine (CAS 320-67-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35713-1 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.