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133093-41-1

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133093-41-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133093-41-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,0,9 and 3 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 133093-41:
(8*1)+(7*3)+(6*3)+(5*0)+(4*9)+(3*3)+(2*4)+(1*1)=101
101 % 10 = 1
So 133093-41-1 is a valid CAS Registry Number.

133093-41-1Relevant articles and documents

Photoreactions of 6-(1′-triazolyl)uracils. Synthesis of 7,8-disubstituted pyrrolo[2,3-d]pyrimidines and pyrimido[4,5-c]isoquinolines

Edstrom, Eric D.,Yuan, Wei

, p. 323 - 326 (2007/10/02)

A series of 6-(1′-triazolyl)uracils 4a-f were subject to photolysis at 254 nm in acetonitrile. The C4′, C5′-disubstituted triazoles 4a-c afforded pyrrolo[2,3-d]pyrimidines 5a-c whereas mono-substituted triazoles gave rise to polymeri

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