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91979-13-4

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91979-13-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91979-13-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,9,7 and 9 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 91979-13:
(7*9)+(6*1)+(5*9)+(4*7)+(3*9)+(2*1)+(1*3)=174
174 % 10 = 4
So 91979-13-4 is a valid CAS Registry Number.

91979-13-4Downstream Products

91979-13-4Relevant articles and documents

S-Acetylation of Thiols Mediated by Triflic Acid: A Novel Route to Thioesters

Kuciński, Krzysztof,Hreczycho, Grzegorz

, p. 489 - 493 (2018)

This paper demonstrates an efficient, mild, and chemoselective synthesis of various thioesters via a HOTf-catalyzed S-acetylation of aromatic and aliphatic thiols using isopropenyl acetate as a cheap and convenient acetylating agent. During our tests, we also investigated the differences between the activities of metal triflates and triflic acid as catalysts in the acetylation of thiols. Finally, the potential of our concept has been increased by the implementation of Nafion as a heterogeneous catalyst for S-acetylation of thiols.

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