27715-58-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 27715-58-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,7,1 and 5 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 27715-58:
(7*2)+(6*7)+(5*7)+(4*1)+(3*5)+(2*5)+(1*8)=128
128 % 10 = 8
So 27715-58-8 is a valid CAS Registry Number.