154954-63-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 154954-63-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,9,5 and 4 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 154954-63:
(8*1)+(7*5)+(6*4)+(5*9)+(4*5)+(3*4)+(2*6)+(1*3)=159
159 % 10 = 9
So 154954-63-9 is a valid CAS Registry Number.