87271-58-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87271-58-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,2,7 and 1 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 87271-58:
(7*8)+(6*7)+(5*2)+(4*7)+(3*1)+(2*5)+(1*8)=157
157 % 10 = 7
So 87271-58-7 is a valid CAS Registry Number.