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129303-75-9

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129303-75-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129303-75-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,3,0 and 3 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 129303-75:
(8*1)+(7*2)+(6*9)+(5*3)+(4*0)+(3*3)+(2*7)+(1*5)=119
119 % 10 = 9
So 129303-75-9 is a valid CAS Registry Number.

129303-75-9Upstream product

129303-75-9Downstream Products

129303-75-9Relevant articles and documents

CHLORINATION OF 2,6-DIMETHYL-3,5-DICARBOMETHOXY-4-(2'-DIFLUOROMETHOXYPHENYL)-1,4-DIHYDROPYRIDINE (PHORIDONE)

Skrastin'sh, I. P.,Kastron, V. V.,Liepin'sh, E. E.,Mazheika, I. B.,Vitolinya, R. O.,Dubur, G. Ya.

, p. 323 - 325 (1990)

Chlorination of 2,6-dimethyl-3,5-dicarbomethoxy-4-(2'-difluoromethoxyphenyl)-1,4-dihydropyridine gives 2,3,4,5-tetrahydropyridines with different degrees of chlorination dependent upon the quantitative ratio of reagents.The reaction proceeds without oxida

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