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157142-64-8

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157142-64-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 157142-64-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,1,4 and 2 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 157142-64:
(8*1)+(7*5)+(6*7)+(5*1)+(4*4)+(3*2)+(2*6)+(1*4)=128
128 % 10 = 8
So 157142-64-8 is a valid CAS Registry Number.

157142-64-8Relevant articles and documents

An improved industrial synthesis of florfenicol plus an enantioselective total synthesis of thiamphenicol and florfenicol

Wu,Schumacher,Tormos,Clark,Murphy

, p. 2996 - 2998 (1997)

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