93658-87-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93658-87-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,6,5 and 8 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 93658-87:
(7*9)+(6*3)+(5*6)+(4*5)+(3*8)+(2*8)+(1*7)=178
178 % 10 = 8
So 93658-87-8 is a valid CAS Registry Number.
InChI:InChI=1/C20H16ClN9O10S3.Na/c21-17-26-18(22)28-20(27-17)24-9-1-2-12(13(5-9)25-19(23)31)29-30-14-7-11-8(4-16(14)43(38,39)40)3-10(41(32,33)34)6-15(11)42(35,36)37;/h1-7H,(H3,23,25,31)(H,32,33,34)(H,35,36,37)(H,38,39,40)(H3,22,24,26,27,28);/q;+1/p-1