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271583-38-1

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271583-38-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 271583-38-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,1,5,8 and 3 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 271583-38:
(8*2)+(7*7)+(6*1)+(5*5)+(4*8)+(3*3)+(2*3)+(1*8)=151
151 % 10 = 1
So 271583-38-1 is a valid CAS Registry Number.

271583-38-1Relevant articles and documents

Synthesis of N-benzyl-3-(S)-(+)-(4-fluorophenyl)-1,4-oxazin-2-one via a crystallisation induced asymmetric transformation

Alabaster, Ramon J.,Gibson, Andrew W.,Johnson, Simon A.,Edwards, John S.,Cottrell, Ian F.

, p. 447 - 450 (1997)

The simple and efficient preparation of enantiomerically pure N-benzyl-3-(S)-(+)-(4-fluorophenyl)-1,4-oxazin-2-one by a crystallisation induced asymmetric transformation of its racemate is reported. A key feature of this process is the use of [(1S)-(endo,

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