3-t-butoxycarbonylamino-4-(5,5-difluoro-2-oxo-piperidin-1-yl)butyric acid t-butyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 911635-42-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,1,6,3 and 5 respectively; the second part has 2 digits, 4 and 2 respectively. Calculate Digit Verification of CAS Registry Number 911635-42: (8*9)+(7*1)+(6*1)+(5*6)+(4*3)+(3*5)+(2*4)+(1*2)=152 152 % 10 = 2 So 911635-42-2 is a valid CAS Registry Number.