1338795-77-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1338795-77-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,8,7,9 and 5 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1338795-77:
(9*1)+(8*3)+(7*3)+(6*8)+(5*7)+(4*9)+(3*5)+(2*7)+(1*7)=209
209 % 10 = 9
So 1338795-77-9 is a valid CAS Registry Number.