tert-butyl 4-(2-chloroquinazolin-4-yl)piperazine-1-carboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 950666-26-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,0,6,6 and 6 respectively; the second part has 2 digits, 2 and 6 respectively. Calculate Digit Verification of CAS Registry Number 950666-26: (8*9)+(7*5)+(6*0)+(5*6)+(4*6)+(3*6)+(2*2)+(1*6)=189 189 % 10 = 9 So 950666-26-9 is a valid CAS Registry Number.