93621-13-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93621-13-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,6,2 and 1 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 93621-13:
(7*9)+(6*3)+(5*6)+(4*2)+(3*1)+(2*1)+(1*3)=127
127 % 10 = 7
So 93621-13-7 is a valid CAS Registry Number.
93621-13-7Relevant articles and documents
A Convenient Method for Preparation of o-Dibenzoylbenzene Derivatives
Lahiri, S.,Sinha, A.
, p. 894 - 895 (2007/10/02)
o-Dibenzoylbenzene derivatives (4) are prepared in high yields from 1,4-diphenyl-2-butyne-1,4-dione (1) and 2,5-dihydroanisoles (2) via a 'one pot'reaction sequence.