380899-56-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 380899-56-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,0,8,9 and 9 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 380899-56:
(8*3)+(7*8)+(6*0)+(5*8)+(4*9)+(3*9)+(2*5)+(1*6)=199
199 % 10 = 9
So 380899-56-9 is a valid CAS Registry Number.