27645-15-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 27645-15-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,6,4 and 5 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 27645-15:
(7*2)+(6*7)+(5*6)+(4*4)+(3*5)+(2*1)+(1*5)=124
124 % 10 = 4
So 27645-15-4 is a valid CAS Registry Number.