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69691-19-6

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69691-19-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 69691-19-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,6,9 and 1 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 69691-19:
(7*6)+(6*9)+(5*6)+(4*9)+(3*1)+(2*1)+(1*9)=176
176 % 10 = 6
So 69691-19-6 is a valid CAS Registry Number.

69691-19-6SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 14, 2017

Revision Date: Aug 14, 2017

1.Identification

1.1 GHS Product identifier

Product name methyl 2-methylhex-4-ynoate

1.2 Other means of identification

Product number -
Other names 4-Hexynoic acid,2-methyl-,methyl ester

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:69691-19-6 SDS

69691-19-6Relevant articles and documents

PROSTACYCLIN DERIVATIVES

-

Page/Page column 63-64, (2011/02/24)

This invention relates to novel prostacyclin derivatives and acceptable salts thereof. The invention also provides compositions comprising a compound of this invention and the use of such compositions in methods of treating diseases and conditions benefic

Synthesis of 5,6,7-trinor-4,8-inter-m-phenylene PGI2 and Beraprost

Wakita, Hisanori,Matsumoto, Kazuhisa,Yoshiwara, Hideo,Hosono, Yutaka,Hayashi, Ryoji,Nishiyama, Hisao,Nagase, Hiroshi

, p. 2449 - 2474 (2007/10/03)

We have disclosed a new class of stable PGI2 analogue, 5,6,7-trinor- 4,8-inter-m-phenylene PGI2 which has a phenyl ether moiety instead of enol- ether skeleton in PGI2. The m-phenylene PGI2 and its derivative (Betaprost) were synthesized via dihydrocyclopenta[b]benzofuran derivatives as key intermediates by ortho-selective metal-halogen exchange reaction with Grignard reagents and subsequent copper-catalyzed cyclization. The ω-side chains were introduced by stereoselective epoxide formation or Prins reaction.

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