77415-28-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77415-28-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,4,1 and 5 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 77415-28:
(7*7)+(6*7)+(5*4)+(4*1)+(3*5)+(2*2)+(1*8)=142
142 % 10 = 2
So 77415-28-2 is a valid CAS Registry Number.
77415-28-2Relevant articles and documents
A simple and efficient method of thioacetal - and ketalization
Ong, Beng S.
, p. 4225 - 4228 (1980)
AlCl3 has been found to be an efficient reagent for promoting thioacetal- and ketalization of carbonyl compounds.