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161990-34-7

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161990-34-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 161990-34-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,9,9 and 0 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 161990-34:
(8*1)+(7*6)+(6*1)+(5*9)+(4*9)+(3*0)+(2*3)+(1*4)=147
147 % 10 = 7
So 161990-34-7 is a valid CAS Registry Number.

161990-34-7Relevant articles and documents

A CONVENIENT SYNTHESIS OF ACYCLIC CONJUGATED ENEDIYNES

Shibuya, Masayuki,Sakai, Yasuhiro,Naoe, Yoshimitsu

, p. 897 - 898 (2007/10/02)

Novel synthetic method for acyclic cis-hex-3-ene-1,5-diyne derivatives via elimination of tert-hydroxy group has been described.

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