1739-27-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1739-27-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,7,3 and 9 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1739-27:
(6*1)+(5*7)+(4*3)+(3*9)+(2*2)+(1*7)=91
91 % 10 = 1
So 1739-27-1 is a valid CAS Registry Number.