10343-57-4 Usage
Preparation
2-Amino-4,6-dinitrophenol diazo, and 2,4-Diaminobenzenesulfonic acid coupling, and then under certain pressure, product and water cut formic acid chromium common heat.
Properties and Applications
brown
Check Digit Verification of cas no
The CAS Registry Mumber 10343-57-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,0,3,4 and 3 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 10343-57:
(7*1)+(6*0)+(5*3)+(4*4)+(3*3)+(2*5)+(1*7)=64
64 % 10 = 4
So 10343-57-4 is a valid CAS Registry Number.