28878-99-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28878-99-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,8,7 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 28878-99:
(7*2)+(6*8)+(5*8)+(4*7)+(3*8)+(2*9)+(1*9)=181
181 % 10 = 1
So 28878-99-1 is a valid CAS Registry Number.
InChI:InChI=1/C21H29O3P/c1-19(2)13-7-3-4-12-18-25(22,23-20-14-8-5-9-15-20)24-21-16-10-6-11-17-21/h5-6,8-11,14-17,19H,3-4,7,12-13,18H2,1-2H3