6925-09-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6925-09-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,9,2 and 5 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 6925-09:
(6*6)+(5*9)+(4*2)+(3*5)+(2*0)+(1*9)=113
113 % 10 = 3
So 6925-09-3 is a valid CAS Registry Number.
6925-09-3Relevant articles and documents
Nafion-H catalyzed acetylation of alcohols
Kumareswaran,Pachamuthu,Vankar
, p. 1652 - 1654 (2007/10/03)
A wide variety of alcohols, some containing acid sensitive groups also, underwent smooth acetylation with acetic anhydride upon catalysis with Nation-H, a solid acid catalyst, which could be recovered and used again.