Cas 128922-12-3,3-Phenyl-4,5-dihydro-pyrazole-1-carbothioic acid benzylamide

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Check Digit Verification of cas no

The CAS Registry Mumber 128922-12-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,9,2 and 2 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 128922-12:
(8*1)+(7*2)+(6*8)+(5*9)+(4*2)+(3*2)+(2*1)+(1*2)=133
133 % 10 = 3
So 128922-12-3 is a valid CAS Registry Number.

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128922-12-3Relevant academic research and scientific papers

Heterocyclization of 2,4-Disubstituted Thiosemicarbazides with Haloketones

Tomita, Yasuhiro,Kabashima, Shigeru,Okawara, Tadashi,Yamasaki, Tetsuo,Furukawa, Mitsuru

, p. 707 - 710 (2007/10/02)

2,4-Disubstituted thiosemicarbazides were allowed to react with α-bromoacetophenone to give the anticipated 2,3-dihydro-6H-1,3,4-thiadiazines, whereas with β-propiophenone and γ-butyrophenone to afford the unexpected 2,3-dihydro-1,3,4-thiadiazole.The reac

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128922-12-3

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