28901-77-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28901-77-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,9,0 and 1 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 28901-77:
(7*2)+(6*8)+(5*9)+(4*0)+(3*1)+(2*7)+(1*7)=131
131 % 10 = 1
So 28901-77-1 is a valid CAS Registry Number.
InChI:InChI=1/C8H20O7P2/c1-3-5-7-13-17(12,14-8-6-4-2)15-16(9,10)11/h3-8H2,1-2H3,(H2,9,10,11)