895811-21-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 895811-21-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,5,8,1 and 1 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 895811-21:
(8*8)+(7*9)+(6*5)+(5*8)+(4*1)+(3*1)+(2*2)+(1*1)=209
209 % 10 = 9
So 895811-21-9 is a valid CAS Registry Number.