1352172-39-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1352172-39-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,2,1,7 and 2 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1352172-39:
(9*1)+(8*3)+(7*5)+(6*2)+(5*1)+(4*7)+(3*2)+(2*3)+(1*9)=134
134 % 10 = 4
So 1352172-39-4 is a valid CAS Registry Number.