887973-40-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 887973-40-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,7,9,7 and 3 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 887973-40:
(8*8)+(7*8)+(6*7)+(5*9)+(4*7)+(3*3)+(2*4)+(1*0)=252
252 % 10 = 2
So 887973-40-2 is a valid CAS Registry Number.