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90839-63-7

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90839-63-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90839-63-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,8,3 and 9 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 90839-63:
(7*9)+(6*0)+(5*8)+(4*3)+(3*9)+(2*6)+(1*3)=157
157 % 10 = 7
So 90839-63-7 is a valid CAS Registry Number.

90839-63-7Relevant articles and documents

Steric Course of N5,N10-Methylenetetrahydrofolate Formation from Glycine by the Glycine Cleavage System in E. coli

Aberhart, D. John,Russell, David J.

, p. 4907 - 4910 (1984)

The steric course of the conversion of glycine to 5,10-methylenetetrahydrofolate (5,10-CH2-H4folate) by the glycine cleavage system in E. coli has been elucidated. 2-Hre of glycine is the precursor of 11-Hre of 5,10-CH2-H4folate, and 2-Hsi of glycine is the precursor of 11-Hsi of 5,10-CH2-H4folate.The overall transformation is at least 78percent stereospecific (possibly higher).

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