Cas 129521-43-3,1-(2-fluorophenyl)-4-methylsemicarbazide

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Check Digit Verification of cas no

The CAS Registry Mumber 129521-43-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,5,2 and 1 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 129521-43:
(8*1)+(7*2)+(6*9)+(5*5)+(4*2)+(3*1)+(2*4)+(1*3)=123
123 % 10 = 3
So 129521-43-3 is a valid CAS Registry Number.

129521-43-3Upstream product

129521-43-3Downstream Products

117258-19-2 2,4-dihydro-5-(2-fluorophenyl)-4-methyl-3H-1,2,4-triazol-3-one

129521-43-3Relevant articles and documents

Long-Range Fluorine-Proton Coupling in 1,2,4-Triazole Derivatives

Kane, John M.,Dalton, Christopher R.,Staeger, Michael A.,Huber, Edward W.

, p. 183 - 188 (2007/10/02)

Several 1,2,4-triazole derivatives containing a 2-fluorophenyl substituent at either the 3- or 5-position and a methyl group at the 4-position were synthesized.These derivatives exhibit long-range 19F-1H and 19F-13C through-space coupling in their 1H and

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129521-43-3