83661-65-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83661-65-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,6,6 and 1 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 83661-65:
(7*8)+(6*3)+(5*6)+(4*6)+(3*1)+(2*6)+(1*5)=148
148 % 10 = 8
So 83661-65-8 is a valid CAS Registry Number.
InChI:InChI=1/C23H26N5O2S.ClH/c1-15-21(31-14-28(15)13-18-12-25-16(2)27-23(18)24)9-10-30-22(29)8-7-17-11-26-20-6-4-3-5-19(17)20;/h3-6,11-12,14,26H,7-10,13H2,1-2H3,(H2,24,25,27);1H/q+1;/p-1