3142-85-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3142-85-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,1,4 and 2 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 3142-85:
(6*3)+(5*1)+(4*4)+(3*2)+(2*8)+(1*5)=66
66 % 10 = 6
So 3142-85-6 is a valid CAS Registry Number.