1565778-48-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1565778-48-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,6,5,7,7 and 8 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1565778-48:
(9*1)+(8*5)+(7*6)+(6*5)+(5*7)+(4*7)+(3*8)+(2*4)+(1*8)=224
224 % 10 = 4
So 1565778-48-4 is a valid CAS Registry Number.