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74857-97-9

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74857-97-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74857-97-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,8,5 and 7 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 74857-97:
(7*7)+(6*4)+(5*8)+(4*5)+(3*7)+(2*9)+(1*7)=179
179 % 10 = 9
So 74857-97-9 is a valid CAS Registry Number.

74857-97-9Upstream product

74857-97-9Downstream Products

74857-97-9Relevant academic research and scientific papers

Reaction of vinyl sulfoxides with sodium sulfide and polysulfides

Chernysheva,Gusarova,Yas'ko,Sinegovskaya,Trofimov

, p. 933 - 938 (2008)

Sodium sulfide and polysulfides readily (50-55°C, 3 h, aqueous medium) react with alkyl vinyl sulfoxides to afford bis(alkylsulfinylethyl)sulfides and-polysulfides in up to 75% yield. Under comparable conditions the reaction of divinyl sulfoxide with sodi

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