82131-82-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82131-82-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,1,3 and 1 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 82131-82:
(7*8)+(6*2)+(5*1)+(4*3)+(3*1)+(2*8)+(1*2)=106
106 % 10 = 6
So 82131-82-6 is a valid CAS Registry Number.
InChI:InChI=1/C52H74N12O9/c1-30(2)19-37(27-56-40(20-31(3)4)46(66)63-45(32(5)6)50(70)62-43(52(72)73)22-34-14-16-38(65)17-15-34)59-47(67)42(24-36-26-55-29-58-36)60-48(68)41(21-33-11-8-7-9-12-33)61-49(69)44-13-10-18-64(44)51(71)39(53)23-35-25-54-28-57-35/h7-9,11-12,14-17,25-26,28-32,37,39-45,56,65H,10,13,18-24,27,53H2,1-6H3,(H,54,57)(H,55,58)(H,59,67)(H,60,68)(H,61,69)(H,62,70)(H,63,66)(H,72,73)/t37-,39+,40-,41-,42-,43-,44-,45-/m0/s1