133388-68-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 133388-68-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,3,8 and 8 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 133388-68:
(8*1)+(7*3)+(6*3)+(5*3)+(4*8)+(3*8)+(2*6)+(1*8)=138
138 % 10 = 8
So 133388-68-8 is a valid CAS Registry Number.
133388-68-8Relevant articles and documents
SYNTHESIS BASED ON FURANCARBOXYLIC ACID AMIDES. 2. SYNTHESIS OF DIAMIDES OF THE FURAN SERIES
Kozlovskaya, I. N.,Badovskaya, L. A.
, p. 1093 - 1096 (2007/10/02)
The corresponding furancarboxylic acid diamides were obtained by the addition of primary amides of furancarboxylic acids to the double bond of vinyl butyl ether and the carbonyl group of various aldehydes.
