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83810-33-7

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83810-33-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83810-33-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,8,1 and 0 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 83810-33:
(7*8)+(6*3)+(5*8)+(4*1)+(3*0)+(2*3)+(1*3)=127
127 % 10 = 7
So 83810-33-7 is a valid CAS Registry Number.

83810-33-7Relevant articles and documents

A New Ester Component in the Stobbe Condensation. I. The Condensation of Some Aromatic Aldehydes with Diethyl β,β-dimethylglutarate

El-Newaihy, M. F.,Salem, M. R.,Enayat, E. I.,El-Bassiouny, F. A.

, p. 379 - 384 (2007/10/02)

Kondensation von Benzaldehyd und p-Anisaldehyd mit Diethyl-β,β-dimethylglutarat in Gegenwart von Natriumhydrid ergibt die kristallinen (Z)-Halbester (1a und b) und oelige Halbesterfraktionen, die die E-Isomeren 2a- und b enthalten.Im Falle von p-Chlorbenz

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