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76609-53-5

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76609-53-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 76609-53-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,6,0 and 9 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 76609-53:
(7*7)+(6*6)+(5*6)+(4*0)+(3*9)+(2*5)+(1*3)=155
155 % 10 = 5
So 76609-53-5 is a valid CAS Registry Number.

76609-53-5Downstream Products

76609-53-5Relevant articles and documents

Synthesis of 4-Substituted Thiosemicarbazones of 3-Methyl-4-phenylpyridine-2-carboxaldehyde as Antitumor Agents

Rahman, M. F.

, p. 828 - 830 (2007/10/02)

A convenient synthesis of 3-methyl-4-phenylpyridine-2-carboxaldehyde (4) is described.Reaction of 4 with 4-substituted thiosemicarbazides (6) gives thiosemicarbazones (7) some of which (7b, 7g, 7i and 7j) exhibit significant antitumor activity in animals.Thiosemicarbazides (6e - 6j) have been prepared from the corresponding isothiocyanates (5) (which result from sodium chlorite oxidation of the addition products of CS2 and the appropriate amine) and hydrazine.Isomerisation of 1,3-dimethyl-4-phenyl-1,2,3,6-tetrahydropyridine (Δ4-isomer) to 1,2,5,6-tetrahydro analog (Δ3-isomer, 1) has been effected with refluxing conc.HCl.

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