7631-61-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7631-61-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,6,3 and 1 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 7631-61:
(6*7)+(5*6)+(4*3)+(3*1)+(2*6)+(1*1)=100
100 % 10 = 0
So 7631-61-0 is a valid CAS Registry Number.
InChI:InChI=1/C21H24N4O3S/c1-15(25(14-27)13-18-12-23-16(2)24-21(18)22)20(8-10-26)29-11-9-19(28)17-6-4-3-5-7-17/h3-7,9,11-12,14,26H,8,10,13H2,1-2H3,(H2,22,23,24)/b11-9+,20-15-