1756-93-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1756-93-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,7,5 and 6 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1756-93:
(6*1)+(5*7)+(4*5)+(3*6)+(2*9)+(1*3)=100
100 % 10 = 0
So 1756-93-0 is a valid CAS Registry Number.