334994-05-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 334994-05-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,4,9,9 and 4 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 334994-05:
(8*3)+(7*3)+(6*4)+(5*9)+(4*9)+(3*4)+(2*0)+(1*5)=167
167 % 10 = 7
So 334994-05-7 is a valid CAS Registry Number.