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74830-03-8

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74830-03-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74830-03-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,8,3 and 0 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 74830-03:
(7*7)+(6*4)+(5*8)+(4*3)+(3*0)+(2*0)+(1*3)=128
128 % 10 = 8
So 74830-03-8 is a valid CAS Registry Number.

74830-03-8Downstream Products

74830-03-8Relevant articles and documents

Heterocyclic Compounds. Part 6. Synthesis of 1,3,4-Thiadiazolidines from the Reactions of Phenyl Hydrazones with Phenyl Isothiocyanate and Carbon Disulphide

Motoyoshiya, Jiro,Nishijima, Makoto,Yamamoto, Iwao,Gotoh, Haruo,Katsube, Yukiteru,et al.

, p. 574 - 578 (2007/10/02)

The reactions of phenyl isothiocyanate with ketonephenylhydrazones in the presence of sodium hydride in dimethylformamide afforded 4-phenyl-5-phenylimino-1,3,4-thiadiazolidines (2a-e) in good yields.Aldehyde phenylhydrazones, however, gave the thiosemicar

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