82666-62-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82666-62-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,6,6 and 6 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 82666-62:
(7*8)+(6*2)+(5*6)+(4*6)+(3*6)+(2*6)+(1*2)=154
154 % 10 = 4
So 82666-62-4 is a valid CAS Registry Number.
InChI:InChI=1/C17H16N2O7S2/c18-27(20,21)17-10-16(28(22,23)24)14(19-11-13-7-4-8-25-13)9-15(17)26-12-5-2-1-3-6-12/h1-10,19H,11H2,(H2,18,20,21)(H,22,23,24)