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39969-91-0

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39969-91-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 39969-91-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,9,6 and 9 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 39969-91:
(7*3)+(6*9)+(5*9)+(4*6)+(3*9)+(2*9)+(1*1)=190
190 % 10 = 0
So 39969-91-0 is a valid CAS Registry Number.

39969-91-0Relevant articles and documents

Thioamides via thiatriazolines

Kolakowski, Robert V.,Shangguan, Ning,Williams, Lawrence J.

, p. 1163 - 1166 (2007/10/03)

A method for thioamide formation from dithioacids and azides is described and a mechanistic framework is presented.

Substituted 1,4,2-Dithiazines: Synthesis by Ring Expansion of 1,3-Dithiolium Cations, Solution Redox Properties and X-Ray Crystal Structures of a Monocyclic and a Bicyclic Derivative

Bryce, Martin R.,Davison, Gordon R.,Batsanov, Andrei S.,Howard, Judith A. K.

, p. 2295 - 2302 (2007/10/02)

A range of derivatives of the 8 ?-electron 1,4,2-dithiazine system, viz. compounds 11a-d and 19-24, have been synthesized by ring expansion of the corresponding 1,3-dithiolium salts 8a-d and 13-18, respectively, using a mixture of iodine and aqueous ammon

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