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76970-77-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 76970-77-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,9,7 and 0 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 76970-77:
179 % 10 = 9
So 76970-77-9 is a valid CAS Registry Number.



According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017


1.1 GHS Product identifier

Product name 3a,7a-dimethyl-4,5,6,7-tetrahydro-octahydro-1H-4,7-epoxyisoindole-1,3-dione

1.2 Other means of identification

Product number -
Other names 7-oxabicyclo<2.2.1>heptane-2,3-dimethyl-2,3-dicarboxylic acid imide

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:76970-77-9 SDS

76970-77-9Upstream product

76970-77-9Downstream Products

76970-77-9Relevant articles and documents

Antitumor imide derivatives of 7-oxabicyclo[2.2.1]heptane-2,3-dimethyl-2,3-dicarboxylic acid


, p. 66 - 67 (1989)

The imide and methylimide derivatives of 7-oxobicyclo-[2.2.1]heptane-2,3-dimethyl-2,3-dicarboxylic acid were synthesized and shown to have antitumor inhibitory activity (growth inhibition) against the KB cell line. The compounds were prepared according to standard procedures. Interest in the respective imide derivatives stemmed from their structural relationship to antitumor-active derivatives of 7-oxobicyclo[2.2.1]heptane-2,3-dicarboxylic acid which lacked 2,3-dimethyl substituents or which were derivatives of isoindolines and lacked the carbonyl groups.

Synthesis of canthardin sulfanilamides and their acid anhydride analogues via a ring-opening reaction of activated aziridines and their associated pharmacological effects

Chiang, Ling-Ling,Tseng, Ing-Jy,Lin, Pen-Yuan,Sheu, Shiow-Yunn,Lin, Ching-Tung,Hsieh, Yun-Han,Lin, Yi-Jing,Chen, Hsiao-Ling,Lin, Mei-Hsiang

, (2016/02/05)

The cantharidinimide derivatives, 5a-h, including sulfanilamides containing pyrimidyl, pyrazinyl, hydrogen, thiazolyl, and oxazolyl groups were synthesized. Modification of cantharidinimide by means of the reaction of activated aziridine ring opening led to the discovery of a novel class of antitumor compounds. The analogues 10i-k, 11l-n, 12o-p, and 16q-s were obtained from treating cantharidinimide 6 and analogues (7, 8, and 13) with activated aziridines, which produced a series of ring-opened products including normal and abnormal types. Some of these compounds showed cytotoxic effects in vitro against HL-60, Hep3B, MCF7, and MDA-MB-231 cancer cells. The most potent cytostatic compound, N-cantharidinimido-sulfamethazine (5a), exhibited anti-HL-60 and anti-Hep3B cell activities. Two compounds 5g and 5h displayed slight effects on the Hep3B cell line, while the other compounds produced no response in these four cell lines.

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