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1271145-22-2

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1271145-22-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1271145-22-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,1,1,4 and 5 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1271145-22:
(9*1)+(8*2)+(7*7)+(6*1)+(5*1)+(4*4)+(3*5)+(2*2)+(1*2)=122
122 % 10 = 2
So 1271145-22-2 is a valid CAS Registry Number.

1271145-22-2Relevant articles and documents

Synthesis of 3,4-Ethylenedioxythiophene (EDOT) from (Z)-but-2-ene-1,4-diol or but-2-yne-1,4-diol

Hachiya, Iwao,Matsumoto, Tomohiro,Inagaki, Tatsuhiko,Takahashi, Atsushi,Shimizu, Makoto

, p. 449 - 460 (2011/04/24)

3,4-Ethylenedioxythiophene (EDOT) was synthesized from commercially available (Z)-but-2-ene-1,4-diol or but-2-yne-1,4-diol using epoxidation, etherification, and thiophene formation. The Japan Institute of Heterocyclic Chemistry.

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