143770-62-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143770-62-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,7,7 and 0 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 143770-62:
(8*1)+(7*4)+(6*3)+(5*7)+(4*7)+(3*0)+(2*6)+(1*2)=131
131 % 10 = 1
So 143770-62-1 is a valid CAS Registry Number.
143770-62-1Relevant articles and documents
Reaction of 6-Chloro-2--hydrazinoquinoxaline 4-Oxide with Dimethyl Acetylenedicarboxylate
Kurasawa, Yoshihisa,Katoh, Ritsuko,Takada, Atsushi,Kim, Ho Sik,Okamoto, Yoshihisa
, p. 1001 - 1004 (2007/10/02)
The reaction of 6-chloro-2-(1-methylhydrazino)quinoxaline 4-oxide 4a with methyl or phenyl isothiocyanate gave 6-chloro-2-quinoxaline 4-oxide 7a or 6-chloro-2-quinox