1407999-64-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1407999-64-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,7,9,9 and 9 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1407999-64:
(9*1)+(8*4)+(7*0)+(6*7)+(5*9)+(4*9)+(3*9)+(2*6)+(1*4)=207
207 % 10 = 7
So 1407999-64-7 is a valid CAS Registry Number.