6139-30-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6139-30-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,1,3 and 9 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 6139-30:
(6*6)+(5*1)+(4*3)+(3*9)+(2*3)+(1*0)=86
86 % 10 = 6
So 6139-30-6 is a valid CAS Registry Number.