Cas 99580-48-0,C10H12N2O2S

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Check Digit Verification of cas no

The CAS Registry Mumber 99580-48-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,5,8 and 0 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 99580-48:
(7*9)+(6*9)+(5*5)+(4*8)+(3*0)+(2*4)+(1*8)=190
190 % 10 = 0
So 99580-48-0 is a valid CAS Registry Number.

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99580-48-0Relevant 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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