299907-14-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 299907-14-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,9,9,0 and 7 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 299907-14:
(8*2)+(7*9)+(6*9)+(5*9)+(4*0)+(3*7)+(2*1)+(1*4)=205
205 % 10 = 5
So 299907-14-5 is a valid CAS Registry Number.