1555858-75-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1555858-75-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,5,5,8,5 and 8 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1555858-75:
(9*1)+(8*5)+(7*5)+(6*5)+(5*8)+(4*5)+(3*8)+(2*7)+(1*5)=217
217 % 10 = 7
So 1555858-75-7 is a valid CAS Registry Number.