181372-99-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 181372-99-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,1,3,7 and 2 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 181372-99:
(8*1)+(7*8)+(6*1)+(5*3)+(4*7)+(3*2)+(2*9)+(1*9)=146
146 % 10 = 6
So 181372-99-6 is a valid CAS Registry Number.
InChI:InChI=1/C23H33N3O5/c1-2-3-4-5-7-15-14-25-18-12-10-16(23(18)21(15)31-23)8-6-9-20(28)26-17(22(29)30)11-13-19(24)27/h6,8-10,12,15,17-18,21,25H,2-5,7,11,13-14H2,1H3,(H2,24,27)(H,26,28)(H,29,30)/b9-6+,16-8-/t15?,17-,18?,21?,23?/m0/s1