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77199-39-4

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77199-39-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77199-39-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,1,9 and 9 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 77199-39:
(7*7)+(6*7)+(5*1)+(4*9)+(3*9)+(2*3)+(1*9)=174
174 % 10 = 4
So 77199-39-4 is a valid CAS Registry Number.

77199-39-4Downstream Products

77199-39-4Relevant articles and documents

A FACILE SYNTHESIS OF 4-PHENYLTHIO-2(5H)-FURANONE DERIVATIVES. SYNTHESIS OF SESQUIROSE FURAN AND BULLATENONE

Takahashi, Yasuhiro,Hagiwara, Hisahiro,Uda, Hisashi,Kosugi, Hiroshi

, p. 225 - 229 (2007/10/02)

Condensation of the dianions derived from E-3-(phenylthio)prop-2-enoic acid and its 2-methyl homologue with aldehydes and ketones provides a facile one step synthesis of 5-substituted 4-phenylthio-2(5H)-furanone derivatives.The application to the synthesi

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