183170-38-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 183170-38-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,3,1,7 and 0 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 183170-38:
(8*1)+(7*8)+(6*3)+(5*1)+(4*7)+(3*0)+(2*3)+(1*8)=129
129 % 10 = 9
So 183170-38-9 is a valid CAS Registry Number.