348640-89-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 348640-89-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,8,6,4 and 0 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 348640-89:
(8*3)+(7*4)+(6*8)+(5*6)+(4*4)+(3*0)+(2*8)+(1*9)=171
171 % 10 = 1
So 348640-89-1 is a valid CAS Registry Number.