78311-77-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78311-77-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,3,1 and 1 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 78311-77:
(7*7)+(6*8)+(5*3)+(4*1)+(3*1)+(2*7)+(1*7)=140
140 % 10 = 0
So 78311-77-0 is a valid CAS Registry Number.
InChI:InChI=1/C23H23N9O3S/c1-16-11-13-24-23(26-16)32(14-12-22-28-30-31-29-22)36(34,35)21-9-7-19(8-10-21)25-15-18-3-5-20(6-4-18)27-17(2)33/h3-11,13,15H,12,14H2,1-2H3,(H,27,33)(H,28,29,30,31)/b25-15+