Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1,7,8,9-Tetrahydro-5-chloropyrano(2,3-g)indole-2-carboxylic acid
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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81257-91-2

81257-91-2 structure

81257-91-2 structure

Name: 1,7,8,9-Tetrahydro-5-chloropyrano(2,3-g)indole-2-carboxylic acid
Chemical Name: 5-Chloro-1,7,8,9-tetrahydropyrano[2,3-g]indole-2-carboxylic acid
CAS Number: 81257-91-2
Molecular Formula: C₁₂H₁₀ClNO₃
Molecular Weight: 251.66600
Create Date: 2017-11-03 05:02:49
Modify Date: 2025-08-30 17:53:36

Name	5-Chloro-1,7,8,9-tetrahydropyrano[2,3-g]indole-2-carboxylic acid
Synonyms	acide chloro-5 tetrahydro-1,7,8,9-pyranno<2,3-g>indolecarboxylique-2

Density	1.532g/cm3
Boiling Point	537.5ºC at 760 mmHg
Molecular Formula	C₁₂H₁₀ClNO₃
Molecular Weight	251.66600
Flash Point	278.9ºC
Exact Mass	251.03500
PSA	62.32000
LogP	2.84450
Index of Refraction	1.709

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UQ0366428

CHEMICAL NAME :: Pyrano(2,3-g)indole-2-carboxylic acid, 1,7,8,9-tetrahydro-5-chloro-

CAS REGISTRY NUMBER :: 81257-91-2

LAST UPDATED :: 199712

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C12-H10-Cl-N-O3

MOLECULAR WEIGHT :: 251.68

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 300 mg/kg

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

REFERENCE :: EPXXDW European Patent Application. (U.S. Patent and Trademark Office, Foreign Patents, Washington, DC 20231) Volume(issue)/page/year: #0043752

81257-88-7 structure

81257-88-7

~95%

81257-91-2 structure

81257-91-2

Literature: Ta Kim; Guilard; Renaut Canadian Journal of Chemistry, 1982 , vol. 60, # 16 p. 2093 - 2098

81258-19-7 structure

81258-19-7

~%

81257-91-2 structure

81257-91-2

Literature: Ta Kim; Guilard; Renaut Canadian Journal of Chemistry, 1982 , vol. 60, # 16 p. 2093 - 2098

81258-22-2 structure

81258-22-2

~%

81257-91-2 structure

81257-91-2

Literature: Ta Kim; Guilard; Renaut Canadian Journal of Chemistry, 1982 , vol. 60, # 16 p. 2093 - 2098

83868-28-4 structure

83868-28-4

~%

81257-91-2 structure

81257-91-2

Literature: Ta Kim; Guilard; Renaut Canadian Journal of Chemistry, 1982 , vol. 60, # 16 p. 2093 - 2098

81258-18-6 structure

81258-18-6

~%

81257-91-2 structure

81257-91-2

Literature: Ta Kim; Guilard; Renaut Canadian Journal of Chemistry, 1982 , vol. 60, # 16 p. 2093 - 2098

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