68877-39-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68877-39-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,8,7 and 7 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 68877-39:
(7*6)+(6*8)+(5*8)+(4*7)+(3*7)+(2*3)+(1*9)=194
194 % 10 = 4
So 68877-39-4 is a valid CAS Registry Number.
InChI:InChI=1/C32H22N6O11S3.3Na/c39-31-26(36-33-18-9-11-19(12-10-18)50(41,42)43)17-27(37-34-24-13-15-28(51(44,45)46)22-7-3-1-5-20(22)24)32(40)30(31)38-35-25-14-16-29(52(47,48)49)23-8-4-2-6-21(23)25;;;/h1-17,39-40H,(H,41,42,43)(H,44,45,46)(H,47,48,49);;;/q;3*+1/p-3