99901-15-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99901-15-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,9,0 and 1 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 99901-15:
(7*9)+(6*9)+(5*9)+(4*0)+(3*1)+(2*1)+(1*5)=172
172 % 10 = 2
So 99901-15-2 is a valid CAS Registry Number.
InChI:InChI=1/C20H30O4/c1-2-3-13-16-19(24-23)17-14-11-9-7-5-4-6-8-10-12-15-18-20(21)22/h3-5,8-11,13,17,23H,2,6-7,12,14-16,18H2,1H3,(H,21,22)/b5-4-,10-8+,11-9-,13-3-,19-17-