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74178-19-1

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74178-19-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74178-19-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,1,7 and 8 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 74178-19:
(7*7)+(6*4)+(5*1)+(4*7)+(3*8)+(2*1)+(1*9)=141
141 % 10 = 1
So 74178-19-1 is a valid CAS Registry Number.

74178-19-1Downstream Products

74178-19-1Relevant articles and documents

NITRATION OF SOME POLYALKYL-3,5-DICYANO-1,4-DIHYDROPYRIDINES AND FRAGMENTATION OF THEIR PRODUCTS BY ELECTRON IMPACT

Kurfurst, Antonin,Raclova, Frantiska,Kuthan, Josef

, p. 397 - 405 (2007/10/02)

Dihydropyridines I-IV on treatment with nitric acid in acetic acid or acetic anhydride undergo nitration at the 2- or 6-methyl groups.Mass spectra of the products V-XI are interpreted and mechanism of the studied transformations is discussed.

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