Cas 133388-67-7,C18H16N2O4

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Check Digit Verification of cas no

The CAS Registry Mumber 133388-67-7 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 7 respectively.
Calculate Digit Verification of CAS Registry Number 133388-67:
(8*1)+(7*3)+(6*3)+(5*3)+(4*8)+(3*8)+(2*6)+(1*7)=137
137 % 10 = 7
So 133388-67-7 is a valid CAS Registry Number.

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133388-67-7Relevant academic research and scientific papers

SYNTHESIS BASED ON FURANCARBOXYLIC ACID AMIDES. 2. SYNTHESIS OF DIAMIDES OF THE FURAN SERIES

Kozlovskaya, I. N.,Badovskaya, L. A.

, p. 1093 - 1096 (1990)

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.

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