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774574-91-3

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774574-91-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 774574-91-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,4,5,7 and 4 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 774574-91:
(8*7)+(7*7)+(6*4)+(5*5)+(4*7)+(3*4)+(2*9)+(1*1)=213
213 % 10 = 3
So 774574-91-3 is a valid CAS Registry Number.

774574-91-3Downstream Products

774574-91-3Relevant academic research and scientific papers

Reactions of 4-nitrophenyl 2-thiophenecarboxylates with R 2NH/R2NH2+ in 20 mol % DMSO (aq). Effects of 5-thienyl substituent and base strength

Pyun, Sang Yong,Cho, Bong Rae

supporting information, p. 2036 - 2040 (2013/09/02)

Reactions of 4-nitrophenyl 2-thiophenecarboxylate (1a-e) with R 2NH/R2NH2+ in 20 mol % DMSO (aq) have been studied kinetically. The 2nd order kinetics, βnuc = 0.88-0.98, and linear Hammett and Yukawa-

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