Bis[p-(dimethylamino)phenyl]phosphinic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 18593-23-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,5,9 and 3 respectively; the second part has 2 digits, 2 and 3 respectively. Calculate Digit Verification of CAS Registry Number 18593-23: (7*1)+(6*8)+(5*5)+(4*9)+(3*3)+(2*2)+(1*3)=132 132 % 10 = 2 So 18593-23-2 is a valid CAS Registry Number.