Alpha-Methyl-L-tyrosine

Name: Alpha-Methyl-L-tyrosine
Brand: Zemixal
SKU: ZX-032724

Reference StandardAvailable on request

Buy Alpha-Methyl-L-tyrosine (CAS 672-87-7) from Zemixal: C10H13NO3, COA and SDS with every lot, worldwide shipping. Quotes within one business day.

Pack sizes

Alpha-Methyl-L-tyrosine chemical structure

CAS number672-87-7

FormulaC₁₀H₁₃NO₃

Molar mass195.21 g/mol

Physical formSolid

HS code38229090

InChIKeyNHTGHBARYWONDQ-JTQLQIEISA-N

IUPAC name(2S)-2-amino-3-(4-hydroxyphenyl)-2-methylpropanoic acid

About Alpha-Methyl-L-tyrosine

Analytical teams working on Metyrosine use Alpha-Methyl-L-tyrosine as a qualified comparison standard. For your records (Reference Standard), the material is defined by CAS 672-87-7, formula C10H13NO3 and molar mass 195.21 g/mol. It is handled as a solid.

Use cases we see most often

Identification & assay
Method development & validation
QC reference material
Fine chemical synthesis

Handling and storage

It carries the GHS signal word Warning (H302 and H335), so wear gloves and eye protection and work with good ventilation.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. You receive a certificate of analysis with characterisation data with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Metyrosine

See every impurity, metabolite and related compound we list for this API.

Metyrosine standards

Typical uses

Identification & assay
Method development & validation
QC reference material
Fine chemical synthesis

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Alpha-Methyl-L-tyrosine
Product name	Alpha-Methyl-L-tyrosine
Catalogue number	ZX-032724
CAS number	672-87-7
IUPAC name	(2S)-2-amino-3-(4-hydroxyphenyl)-2-methylpropanoic acid
Molecular formula	C₁₀H₁₃NO₃
Molar mass	195.21 g/mol
Exact mass	195.0895
Grade	Reference Standard
Physical form	Solid
XLogP3	-1.6
H-bond donors / acceptors	3 / 4
Topological polar surface area	83.6 Å²
HS code	38229090
InChIKey	NHTGHBARYWONDQ-JTQLQIEISA-N
SMILES	C[C@](CC1=CC=C(C=C1)O)(C(=O)O)N
PubChem CID	441350
Synonyms	Metyrosine, Metirosine, (S)-alpha-Methyltyrosine, L-alpha-Methyltyrosine, Alpha-Methyl-L-P-Tyrosine, MK-781, methyl-tyrosine, alpha-Methyltyrosine, (L)-, Methyltyrosine, (S)-2-Amino-3-(4-hydroxyphenyl)-2-methylpropanoic acid, L-alpha-Methyl-p-tyrosine

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

Irritant or harmful

Signal word Warning

H302Harmful if swallowed
H335May cause respiratory irritation

Precautionary statements P261, P264, P270, P271, P301 + P317, P304 + P340, P319, P330, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Alpha-Methyl-L-tyrosine
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Alpha-Methyl-L-tyrosine

Which CAS number identifies Alpha-Methyl-L-tyrosine?

Alpha-Methyl-L-tyrosine is registered under CAS 672-87-7. You may also see it listed as Metyrosine, Metirosine, (S)-alpha-Methyltyrosine. Our catalogue number for this item is ZX-032724.

What are the formula and molar mass of Alpha-Methyl-L-tyrosine?

For Alpha-Methyl-L-tyrosine, its formula is C10H13NO3 and its molar mass is 195.21 g/mol. The systematic (IUPAC) name is (2S)-2-amino-3-(4-hydroxyphenyl)-2-methylpropanoic acid. InChIKey NHTGHBARYWONDQ-JTQLQIEISA-N lets you match it in any structure database.

How is Alpha-Methyl-L-tyrosine used in pharmaceutical QC?

Alpha-Methyl-L-tyrosine is a characterised reference material linked to Metyrosine. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for Alpha-Methyl-L-tyrosine?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with Alpha-Methyl-L-tyrosine?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship Alpha-Methyl-L-tyrosine to my country?

Yes. Because Alpha-Methyl-L-tyrosine is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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