121520-99-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121520-99-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,5,2 and 0 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 121520-99:
(8*1)+(7*2)+(6*1)+(5*5)+(4*2)+(3*0)+(2*9)+(1*9)=88
88 % 10 = 8
So 121520-99-8 is a valid CAS Registry Number.
InChI:InChI=1/C42H56N8O9/c1-24(2)18-31(39(55)49-36(25(3)4)41(57)48-34(42(58)59)20-28-13-15-30(52)16-14-28)45-38(54)33(21-29-22-43-23-44-29)46-37(53)32(19-27-10-7-6-8-11-27)47-40(56)35-12-9-17-50(35)26(5)51/h6-8,10-11,13-16,22-25,31-36,52H,9,12,17-21H2,1-5H3,(H,43,44)(H,45,54)(H,46,53)(H,47,56)(H,48,57)(H,49,55)(H,58,59)/t31-,32-,33-,34-,35-,36-/m0/s1