61756-39-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 61756-39-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,7,5 and 6 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 61756-39:
(7*6)+(6*1)+(5*7)+(4*5)+(3*6)+(2*3)+(1*9)=136
136 % 10 = 6
So 61756-39-6 is a valid CAS Registry Number.