3691-68-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3691-68-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,6,9 and 1 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 3691-68:
(6*3)+(5*6)+(4*9)+(3*1)+(2*6)+(1*8)=107
107 % 10 = 7
So 3691-68-7 is a valid CAS Registry Number.
InChI:InChI=1/C12H12BrN4O2S.Na/c1-7-11(13)8(2)16-12(15-7)17-20(18,19)10-5-3-9(14)4-6-10;/h3-6H,14H2,1-2H3;/q-1;+1