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77275-31-1

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77275-31-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77275-31-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,2,7 and 5 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 77275-31:
(7*7)+(6*7)+(5*2)+(4*7)+(3*5)+(2*3)+(1*1)=151
151 % 10 = 1
So 77275-31-1 is a valid CAS Registry Number.

77275-31-1Relevant articles and documents

The synthesis of phosphonic acids derived from homocysteine via transesterification reactions

Picha, Jan,Budesinsky, Milos,Fiedler, Pavel,Jiracek, Jiri

experimental part, p. 80 - 99 (2012/03/09)

An efficient methodology for the synthesis of S-substituted derivatives of phosphonohomocysteine has been developed. It starts from the corresponding thiols and is based on a synthetic sequence consisting of (i) the Kabachnik-Fields reaction, (ii) the tra

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