1237745-27-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1237745-27-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,7,7,4 and 5 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1237745-27:
(9*1)+(8*2)+(7*3)+(6*7)+(5*7)+(4*4)+(3*5)+(2*2)+(1*7)=165
165 % 10 = 5
So 1237745-27-5 is a valid CAS Registry Number.