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145838-94-4

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145838-94-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 145838-94-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,5,8,3 and 8 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 145838-94:
(8*1)+(7*4)+(6*5)+(5*8)+(4*3)+(3*8)+(2*9)+(1*4)=164
164 % 10 = 4
So 145838-94-4 is a valid CAS Registry Number.

145838-94-4Relevant articles and documents

Ruthenium(II) porphyrin catalyzed tandem carbonyl ylide formation and 1,3-dipolar cycloaddition reactions of α-diazo ketones

Zhou, Cong-Ying,Yu, Wing-Yiu,Che, Chi-Ming

, p. 3235 - 3238 (2002)

equation presented The ruthenium porphyrin-catalyzed reactions of diazo ketones with π-unsaturated compounds via carbonyl ylide formation/cycloaddition cascade exhibit product yields and selectivities comparable to the analogous reactions with dirhodium c

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