338774-09-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 338774-09-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,8,7,7 and 4 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 338774-09:
(8*3)+(7*3)+(6*8)+(5*7)+(4*7)+(3*4)+(2*0)+(1*9)=177
177 % 10 = 7
So 338774-09-7 is a valid CAS Registry Number.