1899809-47-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1899809-47-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,8,9,9,8,0 and 9 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1899809-47:
(9*1)+(8*8)+(7*9)+(6*9)+(5*8)+(4*0)+(3*9)+(2*4)+(1*7)=272
272 % 10 = 2
So 1899809-47-2 is a valid CAS Registry Number.