16205-74-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16205-74-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,2,0 and 5 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 16205-74:
(7*1)+(6*6)+(5*2)+(4*0)+(3*5)+(2*7)+(1*4)=86
86 % 10 = 6
So 16205-74-6 is a valid CAS Registry Number.