1889970-48-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1889970-48-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,8,8,9,9,7 and 0 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1889970-48:
(9*1)+(8*8)+(7*8)+(6*9)+(5*9)+(4*7)+(3*0)+(2*4)+(1*8)=272
272 % 10 = 2
So 1889970-48-2 is a valid CAS Registry Number.