6919-37-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6919-37-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,9,1 and 9 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 6919-37:
(6*6)+(5*9)+(4*1)+(3*9)+(2*3)+(1*7)=125
125 % 10 = 5
So 6919-37-5 is a valid CAS Registry Number.