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137929-17-0

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137929-17-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137929-17-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,9,2 and 9 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 137929-17:
(8*1)+(7*3)+(6*7)+(5*9)+(4*2)+(3*9)+(2*1)+(1*7)=160
160 % 10 = 0
So 137929-17-0 is a valid CAS Registry Number.

137929-17-0Downstream Products

137929-17-0Relevant articles and documents

Synthesis of Trifluoromethylthiazoles and Their Application to Azo Dyes

Tanaka, Kiyoshi,Nomura, Kazuto,Oda, Hitoshi,Yoshida, Shouhei,Mitsuhashi, Keiryo

, p. 907 - 911 (2007/10/02)

3-Bromo-1,1,1-trifluoropropan-2-one (2) reacted with thiourea and N-monosubstituted thiourea to give the corresponding 4-trifluoromethylthiazoles, respectively.In the reactions with N,N'-diphenylthiourea and thioamides, the considerably stable intermediat

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