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126971-21-9

126971-21-9

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126971-21-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 126971-21-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,9,7 and 1 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 126971-21:
(8*1)+(7*2)+(6*6)+(5*9)+(4*7)+(3*1)+(2*2)+(1*1)=139
139 % 10 = 9
So 126971-21-9 is a valid CAS Registry Number.

126971-21-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name (9S)-9-Methyl-1-phenylbicyclo<4.3.0>nona-1(2),3(4)-diene

1.2 Other means of identification

Product number -
Other names (1S)-1-methyl-9-phenylbicyclo<4.3.0>nona-6,8-diene

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:126971-21-9 SDS

126971-21-9Relevant articles and documents

Face-Selective and endo-Selective Cycloadditions with Enantiomerically Pure Cyclopentadienes

Beckmann, Marion,Meyer, Thorsten,Schulz, Frauke,Winterfeldt, Ekkehard

, p. 2505 - 2510 (2007/10/02)

A general synthetic route to the enantiopure bicyclic cyclopentadienes (S)-3 and (R)-3 of the hydrindane series, starting from the Hajos-Wiechert ketone 4 or its enantiomer is described.Reasons for the excellent face and endo selectivity of cycloadditions

Chiral Cyclopentadienes

Matcheva, Katerina,Beckmann, Marion,Schomburg, Dietmar,Winterfeldt, Ekkehard

, p. 814 - 817 (2007/10/02)

Efficient syntheses of enantiomerically pure cyclopentadienes which undergo stereoselective and regioselective high pressure cycloadditions with nonsymmetric dienophiles are reported.As these compounds show a quite high chemical as well as thermal stabili

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