1376434-97-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1376434-97-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,6,4,3 and 4 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1376434-97:
(9*1)+(8*3)+(7*7)+(6*6)+(5*4)+(4*3)+(3*4)+(2*9)+(1*7)=187
187 % 10 = 7
So 1376434-97-7 is a valid CAS Registry Number.