855433-69-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 855433-69-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,5,4,3 and 3 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 855433-69:
(8*8)+(7*5)+(6*5)+(5*4)+(4*3)+(3*3)+(2*6)+(1*9)=191
191 % 10 = 1
So 855433-69-1 is a valid CAS Registry Number.