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50742-90-0

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50742-90-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 50742-90-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,7,4 and 2 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 50742-90:
(7*5)+(6*0)+(5*7)+(4*4)+(3*2)+(2*9)+(1*0)=110
110 % 10 = 0
So 50742-90-0 is a valid CAS Registry Number.

50742-90-0Relevant articles and documents

Base Catalysed Rearrangements Involving Ylide Intermediates. Part 12. The Preparation and Reactions of 2-Oxidoanilinium Ylides

Ollis, W. David,Sutherland, Ian O.,Thebtaranonth, Yodhathai

, p. 1981 - 1993 (2007/10/02)

2-Oxidoanilinium ylides (22) may be prepared from the corresponding quarternary salts (21) by reaction with aqueous sodium hydroxide.The ylides (22) rearrange on heating to give the products (23) of rearrangements which, on the basis of mixing exper

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