881770-84-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 881770-84-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,1,7,7 and 0 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 881770-84:
(8*8)+(7*8)+(6*1)+(5*7)+(4*7)+(3*0)+(2*8)+(1*4)=209
209 % 10 = 9
So 881770-84-9 is a valid CAS Registry Number.