2-Piperidinecarboxylicacid,5-(acetylamino)-4-hydroxy-,[2S-(2alpha,4alpha,5beta)]-(9CI) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 134258-23-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,2,5 and 8 respectively; the second part has 2 digits, 2 and 3 respectively. Calculate Digit Verification of CAS Registry Number 134258-23: (8*1)+(7*3)+(6*4)+(5*2)+(4*5)+(3*8)+(2*2)+(1*3)=114 114 % 10 = 4 So 134258-23-4 is a valid CAS Registry Number.