81975-92-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81975-92-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,9,7 and 5 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 81975-92:
(7*8)+(6*1)+(5*9)+(4*7)+(3*5)+(2*9)+(1*2)=170
170 % 10 = 0
So 81975-92-0 is a valid CAS Registry Number.
InChI:InChI=1/C42H51NO16/c1-17-25(46)11-12-29(53-17)58-41-19(3)55-31(14-27(41)56-21(5)45)59-40-18(2)54-30(13-24(40)43(6)7)57-28-16-42(52,20(4)44)15-23-33(28)39(51)35-34(37(23)49)36(48)22-9-8-10-26(47)32(22)38(35)50/h8-10,17-19,24,27-31,40-41,47,49,51-52H,11-16H2,1-7H3