90817-53-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90817-53-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,8,1 and 7 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 90817-53:
(7*9)+(6*0)+(5*8)+(4*1)+(3*7)+(2*5)+(1*3)=141
141 % 10 = 1
So 90817-53-1 is a valid CAS Registry Number.
InChI:InChI=1/C20H34O7/c1-2-3-4-6-13(21)9-10-14-15(18(24)12-17(14)23)11-19(25)16(22)7-5-8-20(26)27/h9-10,13-17,19,21-23,25H,2-8,11-12H2,1H3,(H,26,27)/b10-9+/t13-,14+,15+,16?,17+,19?/m0/s1