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121742-95-8

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121742-95-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121742-95-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,7,4 and 2 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 121742-95:
(8*1)+(7*2)+(6*1)+(5*7)+(4*4)+(3*2)+(2*9)+(1*5)=108
108 % 10 = 8
So 121742-95-8 is a valid CAS Registry Number.

121742-95-8Relevant articles and documents

SYNTHESIS OF SUBSTITUTED TETRAHYDROPYRIDINES AND M-HYDROXYBENZOIC ACIDS

Clinch, K.,Marquez, C. J.,Parrott, M. J.,Ramage, R.

, p. 239 - 258 (2007/10/02)

A series of substituted 1,2,3,6- (5) and 1,2,5,6-tetrahydropyridines (6) have been synthesised via intramolecular 1,6-Michael addition of methoxycarbonyl-2,4-dienylamines (10).The kinetics of these reactions have been investigated and an explanation of substituent effects is advanced.Also a new route to m-hydroxybenzoic acids has been established by cyclisation of substituted hexa-3,4:5,6-dienoic acids.

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