887903-72-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 887903-72-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,7,9,0 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 887903-72:
(8*8)+(7*8)+(6*7)+(5*9)+(4*0)+(3*3)+(2*7)+(1*2)=232
232 % 10 = 2
So 887903-72-2 is a valid CAS Registry Number.