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137481-74-4

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137481-74-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137481-74-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,4,8 and 1 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 137481-74:
(8*1)+(7*3)+(6*7)+(5*4)+(4*8)+(3*1)+(2*7)+(1*4)=144
144 % 10 = 4
So 137481-74-4 is a valid CAS Registry Number.

137481-74-4Relevant articles and documents

Efficient palladium-catalyzed synthesis of unsymmetrical (het)aryltetrazines

Leconte, Nicolas,Keromnes-Wuillaume, Anne,Suzenet, Franck,Guillaumet, Gérald

, p. 204 - 210 (2007)

Palladium-catalyzed copper(I)-mediated cross-coupling reaction of 3-methylthio-6-(morpholin-4-yl)-1,2,4,5-tetrazine with a wide range of boronic acids and organotin derivatives led to new unsymmetrical aryl- and hetaryl-substituted tetrazines in moderate

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