103757-56-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103757-56-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,7,5 and 7 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 103757-56:
(8*1)+(7*0)+(6*3)+(5*7)+(4*5)+(3*7)+(2*5)+(1*6)=118
118 % 10 = 8
So 103757-56-8 is a valid CAS Registry Number.