Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: (13R)-5-O-Demethylavermectin A(sub 1a) hydrate
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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135681-09-3

135681-09-3 structure

135681-09-3 structure

Name: (13R)-5-O-Demethylavermectin A(sub 1a) hydrate
Chemical Name: 2,19-Bis-epi-avermectin B1
CAS Number: 135681-09-3
Molecular Formula: C₄₈H₇₂O₁₄
Molecular Weight: 873.07700
Create Date: 2017-02-19 19:00:52
Modify Date: 2025-08-28 19:58:37

Name	2,19-Bis-epi-avermectin B1
Synonyms	2,16-dioxatetracyclo[7.6.1.03,8.01,11]hexadecan-3-ol

Density	1.24g/cm3
Boiling Point	943.1ºC at 760mmHg
Molecular Formula	C₄₈H₇₂O₁₄
Molecular Weight	873.07700
Flash Point	268.8ºC
Exact Mass	872.49200
PSA	170.06000
LogP	5.52150
Vapour Pressure	0mmHg at 25°C
Index of Refraction	1.571

CHEMICAL IDENTIFICATION

RTECS NUMBER :: CL1201000

CHEMICAL NAME :: Avermectin A(sub 1a), 5-O-demethyl-, (13R)-, hydrate

CAS REGISTRY NUMBER :: 135681-09-3

LAST UPDATED :: 199406

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C48-H72-O14.H2-O

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 :: 160 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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