1379398-74-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1379398-74-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,9,3,9 and 8 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1379398-74:
(9*1)+(8*3)+(7*7)+(6*9)+(5*3)+(4*9)+(3*8)+(2*7)+(1*4)=229
229 % 10 = 9
So 1379398-74-9 is a valid CAS Registry Number.