1271736-41-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1271736-41-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,1,7,3 and 6 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1271736-41:
(9*1)+(8*2)+(7*7)+(6*1)+(5*7)+(4*3)+(3*6)+(2*4)+(1*1)=154
154 % 10 = 4
So 1271736-41-4 is a valid CAS Registry Number.