91523-82-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91523-82-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,5,2 and 3 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 91523-82:
(7*9)+(6*1)+(5*5)+(4*2)+(3*3)+(2*8)+(1*2)=129
129 % 10 = 9
So 91523-82-9 is a valid CAS Registry Number.
InChI:InChI=1/C46H70O17/c1-11-12-37(49)61-42-29(20-39(51)57-10)19-32-23-35(27(4)47)59-41(53)22-30(48)21-33-24-36(60-40(52)15-26(2)3)44(7,8)45(54,62-33)25-34-17-28(18-38(50)56-9)16-31(58-34)13-14-43(5,6)46(42,55)63-32/h13-14,18,20,26-27,30-36,42,47-48,54-55H,11-12,15-17,19,21-25H2,1-10H3/b14-13-,28-18-,29-20+/t27-,30-,31+,32+,33-,34+,35-,36+,42+,45+,46-/m1/s1