Butyrophenone, 2-amino-3-methoxy- (5CI) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 727724-30-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,7,7,2 and 4 respectively; the second part has 2 digits, 3 and 0 respectively. Calculate Digit Verification of CAS Registry Number 727724-30: (8*7)+(7*2)+(6*7)+(5*7)+(4*2)+(3*4)+(2*3)+(1*0)=173 173 % 10 = 3 So 727724-30-3 is a valid CAS Registry Number.