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59664-29-8

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59664-29-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 59664-29-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,9,6,6 and 4 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 59664-29:
(7*5)+(6*9)+(5*6)+(4*6)+(3*4)+(2*2)+(1*9)=168
168 % 10 = 8
So 59664-29-8 is a valid CAS Registry Number.

59664-29-8Downstream Products

59664-29-8Relevant articles and documents

2,3,5,6-Tetracarboxy-1,4-dihydropyridine derivatives

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, (2008/06/13)

1,4-Dihydropyridines bearing carboxy functions in the 3-, 5- and 6- or 2-, 3-, 5- and 6-positions and being substituted in the 4-position by phenyl, substituted phenyl, naphthyl, phenylalkyl or a heterocyclic group are antihypertensive agents and coronary vessel dilators. The compounds, of which 2-methyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5,6-tricarboxylic acid triethylester is a representative embodiment, are prepared through condensation of an enamine with an ylidene acid ester, the latter being separately prepared or prepared in situ.

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