4-cyclohexyl-3-(S)-ethoxycarbonylamino-2-(R)-hydroxybutyric acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 167823-29-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,7,8,2 and 3 respectively; the second part has 2 digits, 2 and 9 respectively. Calculate Digit Verification of CAS Registry Number 167823-29: (8*1)+(7*6)+(6*7)+(5*8)+(4*2)+(3*3)+(2*2)+(1*9)=162 162 % 10 = 2 So 167823-29-2 is a valid CAS Registry Number.