1881320-69-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1881320-69-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,8,8,1,3,2 and 0 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1881320-69:
(9*1)+(8*8)+(7*8)+(6*1)+(5*3)+(4*2)+(3*0)+(2*6)+(1*9)=179
179 % 10 = 9
So 1881320-69-9 is a valid CAS Registry Number.