1339204-57-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1339204-57-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,9,2,0 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1339204-57:
(9*1)+(8*3)+(7*3)+(6*9)+(5*2)+(4*0)+(3*4)+(2*5)+(1*7)=147
147 % 10 = 7
So 1339204-57-7 is a valid CAS Registry Number.