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52719-93-4

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52719-93-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 52719-93-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,7,1 and 9 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 52719-93:
(7*5)+(6*2)+(5*7)+(4*1)+(3*9)+(2*9)+(1*3)=134
134 % 10 = 4
So 52719-93-4 is a valid CAS Registry Number.

52719-93-4Upstream product

52719-93-4Relevant articles and documents

New acylnitroso compounds for the asymmetric oxyamination of dienes

Gouverneur,McCarthy,Mineur,Belotti,Dive,Ghosez

, p. 10537 - 10554 (1998)

A series of new enantiomerically pure acylnitroso compounds have been prepared and tested as dienophiles for the asymmetric oxyamination of dienes. Very high selectivities were obtained with acylnitroso compounds derived from diphenylmethoxymethyl pyrrolidine 2c, the C2-symmetric pyrrolidines 2d-e and camphorsultam 2f.

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