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135680-93-2

135680-93-2 structure

135680-93-2 structure

Name: Avermectin B2a
Chemical Name: Avermectin B2a
CAS Number: 135680-93-2
Molecular Formula: C₄₈H₇₄O₁₅
Molecular Weight: 891.09200
Create Date: 2016-12-14 15:52:00
Modify Date: 2025-09-25 18:30:26

Name	Avermectin B2a

Density	1.26g/cm3
Boiling Point	966.4ºC at 760mmHg
Molecular Formula	C₄₈H₇₄O₁₅
Molecular Weight	891.09200
Flash Point	275.1ºC
Exact Mass	890.50300
PSA	190.29000
LogP	4.57220
Vapour Pressure	0mmHg at 25°C
Index of Refraction	1.571

CHEMICAL IDENTIFICATION

RTECS NUMBER :: CL1201300

CHEMICAL NAME :: Avermectin A(sub 1a), 22,23-dihydro-5-O-demethyl-23-hydroxy-, (13R,23S)-

CAS REGISTRY NUMBER :: 135680-93-2

LAST UPDATED :: 199406

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C48-H74-O15

MOLECULAR WEIGHT :: 891.22

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 540 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC 20037) V.6- 1963- Volume(issue)/page/year: 35,3873,1992

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