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81275-25-4

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81275-25-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81275-25-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,2,7 and 5 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 81275-25:
(7*8)+(6*1)+(5*2)+(4*7)+(3*5)+(2*2)+(1*5)=124
124 % 10 = 4
So 81275-25-4 is a valid CAS Registry Number.

81275-25-4Relevant articles and documents

SYNTHESIS OF FOUR STEREOISOMERS OF 4-AMINO-2-(HYDROXY-METHYL)TETRAHYDROFURAN-4-CARBOXYLIC ACID

Yoshimura, Juji,Kondo, Shiro,Ihara, Masaki,Hashimoto, Hironobu

, p. 129 - 142 (2007/10/02)

The 5-benzyl ether, 15, of a 1,2,,4,5-pentanetetrol of known 2S configuration was made by a multistep synthesis from D-ribose.Ring-closure of the 1-O-otosyl derivative, 17, with retention of configuration, followed by oxidation, gave the 2S enantiomer, 22

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