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1253858-23-9

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1253858-23-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1253858-23-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,3,8,5 and 8 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1253858-23:
(9*1)+(8*2)+(7*5)+(6*3)+(5*8)+(4*5)+(3*8)+(2*2)+(1*3)=169
169 % 10 = 9
So 1253858-23-9 is a valid CAS Registry Number.

1253858-23-9Relevant articles and documents

Organocatalytic direct vinylogous michael addition of α,β- unsaturated γ-butyrolactam to α,β-unsaturated aldehydes and an illustration to scaffold diversity synthesis

Feng, Xin,Cui, Hai-Lei,Xu, Shi,Wu, Li,Chen, Ying-Chun

supporting information; experimental part, p. 10309 - 10312 (2010/10/21)

(Figure Presented) Ideal for scaffold diversity synthesis: The first organocatalytic direct vinylogous Michael addition of N-Boc α, βunsaturated γ-butyrolactam to α,βunsaturated aldehydes has been developed. The products with multiple orthogonal sets of f

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