1372169-85-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1372169-85-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,2,1,6 and 9 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1372169-85:
(9*1)+(8*3)+(7*7)+(6*2)+(5*1)+(4*6)+(3*9)+(2*8)+(1*5)=171
171 % 10 = 1
So 1372169-85-1 is a valid CAS Registry Number.