1379799-99-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1379799-99-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,9,7,9 and 9 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1379799-99:
(9*1)+(8*3)+(7*7)+(6*9)+(5*7)+(4*9)+(3*9)+(2*9)+(1*9)=261
261 % 10 = 1
So 1379799-99-1 is a valid CAS Registry Number.