354999-80-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 354999-80-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,5,4,9,9 and 9 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 354999-80:
(8*3)+(7*5)+(6*4)+(5*9)+(4*9)+(3*9)+(2*8)+(1*0)=207
207 % 10 = 7
So 354999-80-7 is a valid CAS Registry Number.