909554-59-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 909554-59-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,9,5,5 and 4 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 909554-59:
(8*9)+(7*0)+(6*9)+(5*5)+(4*5)+(3*4)+(2*5)+(1*9)=202
202 % 10 = 2
So 909554-59-2 is a valid CAS Registry Number.