132139-30-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 132139-30-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,1,3 and 9 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 132139-30:
(8*1)+(7*3)+(6*2)+(5*1)+(4*3)+(3*9)+(2*3)+(1*0)=91
91 % 10 = 1
So 132139-30-1 is a valid CAS Registry Number.