39857-07-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 39857-07-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,8,5 and 7 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 39857-07:
(7*3)+(6*9)+(5*8)+(4*5)+(3*7)+(2*0)+(1*7)=163
163 % 10 = 3
So 39857-07-3 is a valid CAS Registry Number.
39857-07-3Relevant academic research and scientific papers
OUVERTURE PAR LES ORGANOLITHIENS D'ISOTHIAZOLES ET ISOSELENAZOLES HETEROCONDENSES
Onyamboko, N. V.,Weber, R.,Fauconnier, A.,Renson, M.
, p. 53 - 60 (2007/10/02)
The ring-opening of bi- and tricyclic systems bearing an isothiazole or isoselenazole ring fused to a thiophene or a selenophene ring was studied by their reaction with methyl lithium.