38561-11-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 38561-11-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,5,6 and 1 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 38561-11:
(7*3)+(6*8)+(5*5)+(4*6)+(3*1)+(2*1)+(1*1)=124
124 % 10 = 4
So 38561-11-4 is a valid CAS Registry Number.