87672-91-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87672-91-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,6,7 and 2 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 87672-91:
(7*8)+(6*7)+(5*6)+(4*7)+(3*2)+(2*9)+(1*1)=181
181 % 10 = 1
So 87672-91-1 is a valid CAS Registry Number.
87672-91-1Relevant articles and documents
SYNTHESIS OF 3-ACYLPYRIDINES UTILIZING A FRIEDEL-CRAFTS REACTION
Comins, Daniel L.,Mantlo, Nathan B.
, p. 3683 - 3686 (2007/10/02)
A synthesis of 3-acylpyridines via a Friedel-Crafts acylation of a dihydropyridine intermediate is described.