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431946-35-9

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431946-35-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 431946-35-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,1,9,4 and 6 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 431946-35:
(8*4)+(7*3)+(6*1)+(5*9)+(4*4)+(3*6)+(2*3)+(1*5)=149
149 % 10 = 9
So 431946-35-9 is a valid CAS Registry Number.

431946-35-9Relevant articles and documents

About four new trityl-substituted α-lactams

Lengyel, Istvan,Cesare, Victor,Adam, Ian,Taldone, Tony

, p. 73 - 95 (2007/10/03)

This investigation comprises the synthesis, a description of the physical and spectroscopic properties, determination of the limits of thermal stability, and reactions with protic and aprotic nucleophiles of four new trityl-substituted α-lactams. With the exception of 3,3-dimethyl-1-tritylaziridin-2-one (4a), which is unstable at room temperature, all new compounds have been fully characterized.

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