Streptozocin

链脲佐菌素

Also known as: Streptozotocin, STZ, Zanosar, U-9889, NSC-85998, N-(Methylnitrosocarbamoyl)-α-D-glucosamine, 2-Deoxy-2-{[methyl(nitroso)carbamoyl]amino}-α-D-glucopyranose, STR, strz, Streptozotocin (STZ), α-D-Glucopyranose, 2-deoxy-2-[[(methylnitrosoamino)carbonyl]amino]-, 1-methyl-1-nitroso-3-[(2S,3R,4R,5S,6R)-2,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-3-yl]urea

Streptozocin (CAS 18883-66-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C8H15N3O7 and a molecular weight of 265.221 g/mol. It is also known as Streptozotocin, STZ and Zanosar. Key properties include a melting point of 121 °C (dec.)(lit.) and a density of 1.9±0.1 g/cm3. It is classified under GHS with signal word Danger and hazard statements H350 — May cause cancer. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 18883-66-4
Jingsj CID: J-28777-1
Molecular Formula: C₈H₁₅N₃O₇
Chinese Name: 链脲佐菌素
Molecular Weight: 265.221 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	121 °C (dec.)(lit.)
Density	1.9±0.1 g/cm3
Exact Mass	265.091003
PSA	151.92000
LogP	-1.33
Refractive Index	1.670

GHS Safety & Compliance

Health HazardSignal word: Danger

H350 — May cause cancer

Activity & Biological Data

Target	DNA alkylator[1]
Additional Information	[1]. Bennett RA, et al. Alkylation of DNA in rat tissues following administration of streptozotocin. Cancer Res. 1981 Jul;41(7):2786-90 [2]. Diab RA, et al. Immunotoxicological effects of streptozotocin and alloxan: in vitro and in vivo studies. Immunol Lett. 2015 Feb;163(2):193-8 [3]. Acer S, et al. Oxidative stress of crystalline lens in rat menopausal model. Arq Bras Oftalmol. 2016 Jul-Aug;79(4):222-5.

Target

DNA alkylator[1]

Additional Information

[1]. Bennett RA, et al. Alkylation of DNA in rat tissues following administration of streptozotocin. Cancer Res. 1981 Jul;41(7):2786-90 [2]. Diab RA, et al. Immunotoxicological effects of streptozotocin and alloxan: in vitro and in vivo studies. Immunol Lett. 2015 Feb;163(2):193-8 [3]. Acer S, et al. Oxidative stress of crystalline lens in rat menopausal model. Arq Bras Oftalmol. 2016 Jul-Aug;79(4):222-5.

Customs & Trade Information

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen 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 Streptozocin?

The CAS number of Streptozocin is 18883-66-4.

What are the molecular formula and molecular weight of Streptozocin?

Streptozocin has molecular formula C8H15N3O7 and molecular weight 265.221 g/mol.

Is Streptozocin hazardous?

Streptozocin has GHS signal word Danger and hazard statements H350 — May cause cancer.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Streptozocin (CAS 18883-66-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28777-1 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.