80981-94-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80981-94-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,9,8 and 1 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 80981-94:
(7*8)+(6*0)+(5*9)+(4*8)+(3*1)+(2*9)+(1*4)=158
158 % 10 = 8
So 80981-94-8 is a valid CAS Registry Number.
InChI:InChI=1/C42H50N4O4/c1-6-24-16-23-20-42(41(48)50-5)38-28(14-15-46(21-23)39(24)42)31-17-26(12-13-34(31)44-38)30-18-29-25(7-2)22-45(3)35(36(29)40(47)49-4)19-32-27-10-8-9-11-33(27)43-37(30)32/h7-13,17,23-24,29-30,35-36,39,43-44H,6,14-16,18-22H2,1-5H3/b25-7-