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121275-66-9

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121275-66-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121275-66-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,2,7 and 5 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 121275-66:
(8*1)+(7*2)+(6*1)+(5*2)+(4*7)+(3*5)+(2*6)+(1*6)=99
99 % 10 = 9
So 121275-66-9 is a valid CAS Registry Number.

121275-66-9Relevant articles and documents

FIVE-MEMBERED 2,3-DIOXOHETEROCYCLES. VIII. REACTION OF 1-ARYL-4-AROYL-5-METHOXYCARBONYL-2,3-DIHYDRO-2,3-PYRROLEDIONES WITH SECONDARY ALIPHATIC AMINES

Maslivets, A. N.,Smirnova, L. I.,Andreichikov, Yu. S.

, p. 1988 - 1995 (2007/10/02)

The reaction of 1-aryl-4-aroyl-5-methoxycarbonyl-2,3-dihydro-2,3-pyrrolediones with dialkylamines leads to the dialkylamides of methyl 4-aroylamino-3-aroyl-2-oxo-Z-3-pentenedioates and 1-aryl-4-aroyl-5-dialkylamino-5-methoxycarbonyl-3-hydroxy-2,5-dihydro-

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