Astromicin

阿司米星

Also known as: Fortimicin, Fortimycin, Fortimicin A, Antibiotic KW-1070, Abbott-44747, XK-70-1, KW-1070, Fortimicina, Astromycina, 4-Amino-1-[(aminoacetyl)methylamino]-1,4-dideoxy-3-O-(2,6-diamino-2,3,4,6,7-pentadeoxy-β-L-lyxo-heptopyranosyl)-6-O-methyl-L-chiro-inositol

Astromicin (CAS 55779-06-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C17H35N5O6 and a molecular weight of 405.49000 g/mol. It is also known as Fortimicin, Fortimycin and Fortimicin A. Key properties include a melting point of >200° (dec), a boiling point of 621.1ºC at 760mmHg, a density of 1.31g/cm3 and a flash point of 329.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 55779-06-1
Jingsj CID: J-49227-4
Molecular Formula: C₁₇H₃₅N₅O₆
Chinese Name: 阿司米星
Molecular Weight: 405.49000 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	>200° (dec)
Boiling Point	621.1ºC at 760mmHg
Density	1.31g/cm3
Flash Point	329.4ºC
Exact Mass	405.25900
PSA	192.54000

Activity & Biological Data

Additional Information	[1]. Dairi T, et al. Organization and nature of fortimicin A (astromicin) biosynthetic genes studied using a cosmid library of Micromonospora olivasterospora DNA. Mol Gen Genet. 1992 Dec;236(1):39-48. [2]. Kawamoto T, et al. Determination of sisomicin, netilmicin, astromicin and micronomicin in serum by high-performance liquid chromatography. J Chromatogr. 1984 Feb 10;305(2):373-9. [3]. Nara T, et al. Fortimicins A and B, new aminoglycoside antibiotics. I. Producing organism, fermentation and biological properties of fortimicins. J Antibiot (Tokyo). 1977 Jul;30(7):533-40.

Additional Information

[1]. Dairi T, et al. Organization and nature of fortimicin A (astromicin) biosynthetic genes studied using a cosmid library of Micromonospora olivasterospora DNA. Mol Gen Genet. 1992 Dec;236(1):39-48. [2]. Kawamoto T, et al. Determination of sisomicin, netilmicin, astromicin and micronomicin in serum by high-performance liquid chromatography. J Chromatogr. 1984 Feb 10;305(2):373-9. [3]. Nara T, et al. Fortimicins A and B, new aminoglycoside antibiotics. I. Producing organism, fermentation and biological properties of fortimicins. J Antibiot (Tokyo). 1977 Jul;30(7):533-40.

Frequently Asked Questions

What is the CAS number of Astromicin?

The CAS number of Astromicin is 55779-06-1.

What are the molecular formula and molecular weight of Astromicin?

Astromicin has molecular formula C17H35N5O6 and molecular weight 405.49000 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Astromicin (CAS 55779-06-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-49227-4 (accessed 2026-10-28).

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