109671-50-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109671-50-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,6,7 and 1 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 109671-50:
(8*1)+(7*0)+(6*9)+(5*6)+(4*7)+(3*1)+(2*5)+(1*0)=133
133 % 10 = 3
So 109671-50-3 is a valid CAS Registry Number.
109671-50-3Relevant articles and documents
New Synthetic Routes to the Potent Mutagen 3,7,8-Trimethyl-3H-imidazoquinoxalin-2-amine
Olsson, Kjell,Grivas, Spiros
, p. 486 - 492 (2007/10/02)
The title compound (7,8-DiMeIQx) has been prepared in two operations from N,2,3-trimethyl-6-quinoxalinamine (1) or from 2,3-dimethyl-6-nitro-5-quinoxalinamine (3).Alternative syntheses of 1 have been investigated.The choises among the various riutes to 7,
