1588504-91-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1588504-91-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,8,8,5,0 and 4 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1588504-91:
(9*1)+(8*5)+(7*8)+(6*8)+(5*5)+(4*0)+(3*4)+(2*9)+(1*1)=209
209 % 10 = 9
So 1588504-91-9 is a valid CAS Registry Number.