149990-63-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 149990-63-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,9,9 and 0 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 149990-63:
(8*1)+(7*4)+(6*9)+(5*9)+(4*9)+(3*0)+(2*6)+(1*3)=186
186 % 10 = 6
So 149990-63-6 is a valid CAS Registry Number.