Certificate of Analysis

 

Product Name: DL-Tyrosine
Catalog Number: M44844
CAS Number: 556-03-6

Physical and Chemical Properties
Formula: C9H11NO3
Molecular Weight: 181.19
Form: Solid
Solubility: 0.1 M NaOH : 10 mg/mL (ultrasonic and warming and adjust pH to 10 with NaOH); 0.1 M HCL : 5 mg/mL (ultrasonic and warming and adjust pH to 2 with HCl)
Storage: Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Chemical Structure: DL-Tyrosine Structure
Analytical Data
QC Standard: ≥98.0%
H-NMR: Consistent with structure
Product Information
Description: DL-Tyrosine is an aromatic nonessential amino acid synthesized from the essential amino acid phenylalanine.
   
Stability and Solubility Advice: Information concerning product stability, particularly in solution, has rarely been reported and in most cases we can only offer a general guide.
We recommend that stock solutions, once prepared, are stored aliquoted in tightly sealed vials and used within 1 month. Avoid repeated freeze and thaw cycles. Storage conditions for some special products should refer to their storage details.