Butanoic acid, 2(or3)-methyl-,(2R,3S,6S,7R,8R)-3-[[3-(formylamino)-2-hydroxybenzoyl]amino]-8-butyl-2,6-dimethyl-4,9-dioxo-1,5-dioxonan-7-ylester cas no:522-70-3

NameButanoic acid, 2(or3)-methyl-,(2R,3S,6S,7R,8R)-3-[[3-(formylamino)-2-hydroxybenzoyl]amino]-8-butyl-2,6-dimethyl-4,9-dioxo-1,5-dioxonan-7-ylester
CAS522-70-3
SynonymsAntimycin A3(6CI); Blastmycin (7CI); Butanoic acid, 3-methyl-,3-[[3-(formylamino)-2-hydroxybenzoyl]amino]-8-butyl-2,6-dimethyl-4,9-dioxo-1,5-dioxonan-7-ylester, [2R-(2R*,3S*,6S*,7R*,8R*)]-; 1,5-Dioxonane, butanoic acid deriv.;Blastomycin; NSC 58239
EINECS(EC#)208-335-6
Molecular FormulaC26H36 N2 O9
Molecular Weight520.64

refractive index1.549
storage temp−20°C

Hazardclass6.1(a)

Hazard T
Risk 23/24/25
Safety

Poison by intraperitoneal and subcutaneous routes. When heated to decomposition it emits toxic fumes of NO_x.
WGK Germany: 2
RTECS: EB3140000

1.		ipr-mus LD50:1800 µg/kg		JAJAAA    Journal of Antibiotics, Series A. 10 (1957),39.
2.		scu-mus LD50:1600 µg/kg		JAJAAA    Journal of Antibiotics, Series A. 10 (1957),39.