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475197-28-5

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475197-28-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 475197-28-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,5,1,9 and 7 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 475197-28:
(8*4)+(7*7)+(6*5)+(5*1)+(4*9)+(3*7)+(2*2)+(1*8)=185
185 % 10 = 5
So 475197-28-5 is a valid CAS Registry Number.

475197-28-5Downstream Products

475197-28-5Relevant articles and documents

Enantioselective biotransformation of α,α-disubstituted dinitriles to the corresponding 2-cyanoacetamides using Rhodococcus sp. CGMCC 0497

Wu, Zhong-Liu,Li, Zu-Yi

, p. 2133 - 2142 (2007/10/03)

A new application of nitrile-converting enzymes in the synthesis of optically active α,α-disubstituted-α-cyanoacetamides from α,α-disubstituted-malononitriles with whole cells of Rhodococcus sp. CGMCC 0497 is described. The products were obtained with enantiomeric excesses of up to >99%, and yields of up to 53%. They are very useful chiral intermediates especially for the synthesis of chiral α,α-disubstituted amino acids but have never been synthesized directly by chemical or enzymatic methods.

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