339291-41-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 339291-41-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,9,2,9 and 1 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 339291-41:
(8*3)+(7*3)+(6*9)+(5*2)+(4*9)+(3*1)+(2*4)+(1*1)=157
157 % 10 = 7
So 339291-41-7 is a valid CAS Registry Number.