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28957-57-5

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28957-57-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28957-57-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,9,5 and 7 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 28957-57:
(7*2)+(6*8)+(5*9)+(4*5)+(3*7)+(2*5)+(1*7)=165
165 % 10 = 5
So 28957-57-5 is a valid CAS Registry Number.

28957-57-5SDS

SAFETY DATA SHEETS

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.Identification

1.1 GHS Product identifier

Product name (1S)-1,6t,6a-trimethyl-(1at,6at,7at)-decahydro-1r,2ac-methano-cyclopropa[b]naphthalen-3t-ol

1.2 Other means of identification

Product number -
Other names Ishwarol

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:28957-57-5 SDS

28957-57-5Relevant articles and documents

Total synthesis of tetracyclic sesquiterpenoids: (+/-)-ishwarone

Piers, Edward,Hall, Tse-Wai

, p. 2613 - 2623 (2007/10/02)

A stereoselective total synthesis of the racemic modification of the tetracyclic sesquiterpenoid ishwarone (2) is described.Treatment of the known ketal aldehyde 19 with dibromomethylenetriphenylphosphorane gave the dibromo alkene 20, which was transforme

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