12777-30-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 12777-30-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,7,7 and 7 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 12777-30:
(7*1)+(6*2)+(5*7)+(4*7)+(3*7)+(2*3)+(1*0)=109
109 % 10 = 9
So 12777-30-9 is a valid CAS Registry Number.
InChI:InChI=1/C25H19Cl2N8O6S.Na/c1-12-4-3-5-16(26)22(12)34-24(37)21(13(2)32-34)31-30-18-11-15(7-9-20(18)42(39,40)41)28-23(36)14-6-8-17-19(10-14)35(38)33-25(27)29-17;/h3-11,21H,1-2H3,(H,28,36)(H,29,33)(H,39,40,41);/q-1;+1/b31-30+;