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1174517-66-8

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1174517-66-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1174517-66-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,4,5,1 and 7 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1174517-66:
(9*1)+(8*1)+(7*7)+(6*4)+(5*5)+(4*1)+(3*7)+(2*6)+(1*6)=158
158 % 10 = 8
So 1174517-66-8 is a valid CAS Registry Number.

1174517-66-8Relevant articles and documents

Regio- And chemoselective multiple functionalization of chloropyrazine derivatives. Application to the synthesis of coelenterazine

Mosrin, Marc,Bresser, Tomke,Knochel, Paul

supporting information; experimental part, p. 3406 - 3409 (2009/12/01)

Successive regio- and chemoselective metalations of chloropyrazines using TMPMgCl-LiCl and TMPZnCIIiCI furnish, after trapping with electrophiles, highly functionalized pyrazines in high yields. Application to a synthesis of coelenterazine, a bioluminescent natural product in jellyfish Aequorea victoria, in nine steps (9% overall yield) is reported.

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