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Home › Product Catalog › (S)-2-Amino-3-(4-hydroxyphenyl)propionic acid

(S)-2-Amino-3-(4-hydroxyphenyl)propionic acid

CAS 25619-78-7C9H11NO3MW 181.19

(S)-2-Amino-3-(4-hydroxyphenyl)propionic acid (CAS No. 25619-78-7) is supplied by Jinan Shenghe Chemical Co., Ltd. with a typical purity of 按批次COA提供(不公开发布). Main applications include Organic Chemicals. Bulk quantities are available with COA; purity and packaging are subject to batch COA and order confirmation.

Specifications

CAS Number25619-78-7
Molecular FormulaC9H11NO3
Molecular Weight181.19
Melting Point343
LogP-2.26
Purity按批次COA提供(不公开发布)
Packaging按订单/批次确认(不公开发布)
ApplicationsOrganic Chemicals
CategoryOrganic Chemicals

Where it is used

Organic Chemicals

Packaging & Supply

Packaging按订单/批次确认(不公开发布)
Purity按批次COA提供(不公开发布)
StorageSealed, cool and dry place
Lead TimeIn stock / per order

Documents & Support

COA provided with every batch; MSDS and technical documents available on request. Email us with product name and CAS number for a quote within one business day.

Frequently Asked Questions

What is the CAS number of (S)-2-Amino-3-(4-hydroxyphenyl)propionic acid?

The CAS number of (S)-2-Amino-3-(4-hydroxyphenyl)propionic acid is 25619-78-7.

What purity and packaging are available?

Typical purity is 按批次COA提供(不公开发布), supplied in 按订单/批次确认(不公开发布), with COA provided.

What are the applications of (S)-2-Amino-3-(4-hydroxyphenyl)propionic acid?

Main applications include Organic Chemicals.

How do I buy (S)-2-Amino-3-(4-hydroxyphenyl)propionic acid or get a quote?

Email info@591daili.com or reach us on WhatsApp with the product name, CAS number and required quantity; quotes within one business day. Supplier: Jinan Shenghe Chemical Co., Ltd..

PubChem Public Data

Description

(S)-2-Amino-3-(4-hydroxyphenyl)propionic acid · CAS 25619-78-7 · C9H11NO3. UNII 42HK56048U. Melting Point: 343; Melting Point: 344 °C; Melting Point: 343 °C.

Identification

CAS Registry Number25619-78-7
PubChem CID6057
Molecular formulaC9H11NO3
IUPAC name(2S)-2-amino-3-(4-hydroxyphenyl)propanoic acid
UNII (FDA)42HK56048U
FEMA number3736
JECFA number1434

Computed Descriptors

Molecular Weight181.19
XLogP3-2.3
Hydrogen Bond Donor Count3
Hydrogen Bond Acceptor Count4
Rotatable Bond Count3
Exact Mass181.07389321
Monoisotopic Mass181.07389321
Topological Polar Surface Area83.6
Heavy Atom Count13
Formal Charge0

Physical & Chemical Properties

Melting Point343
Melting Point344 °C
Melting Point343 °C
Solubility479
Solubility0.479 mg/mL
LogP-2.26
LogPlog Kow= 2.26
Ionization Efficiency2.51
Ionization Efficiency2.7
Ionization EfficiencyMeCN (80%)

Physical description & handling notes

  • Large Crystals
  • Solid; [Merck Index] White fine crystals and fragments; [Sigma-Aldrich MSDS]
  • Solid
  • Colourless silky needles or white crystalline powder; odourless
  • FINE SILKY NEEDLES
  • White crystals

Regulatory Status

Regulatory & Food ContactEU Flavoring substances
FDA Substance added to food: FLAVORING AGENT OR ADJUVANT, NUTRIENT SUPPLEMENT
Flavoring Agents
FLAVOURING_AGENT: Flavouring Agent
No safety concern at current levels of intake when used as a flavouring agent
TRS 928-JECFA 63/98
GHS notification summary84.3% (226 / 268)

GHS Hazard Classification

GHS notification summary84.3% (226 / 268)
Reported hazard statementsH315 (14.9%), H319 (14.9%), H335 (14.6%)

This chemical does not meet GHS hazard criteria for 84.3% (226 of 268) of all reports.

H315 (14.9%): Causes skin irritation [Warning Skin corrosion/irritation]

Documented Uses

  • Non-essential amino acid; Used in biochemical research; [Merck Index] Used as a flavoring agent and nutritional supplement; [FDA]
  • NUTRIENT &/OR DIETARY SUPPLEMENT
  • Use (kg; approx.) in Germany (2009): >750
  • Consumption (g per capita; approx.) in Germany (2009): 0.00916
  • Tyrosine is claimed to act as an effective antidepressant, however results are mixed. Tyrosine has also been claimed to reduce stress and combat narcolepsy and chronic fatigue, however these claims have been refuted by some studies.
  • Flavoring Agents -> JECFA Flavorings Index

Synonyms

L-tyrosine; tyrosine; 60-18-4; (S)-Tyrosine; (2S)-2-amino-3-(4-hydroxyphenyl)propanoic acid; p-Tyrosine; L-p-Tyrosine; 4-Hydroxy-L-phenylalanine; tirosina; Tyrosinum; L-Phenylalanine, 4-hydroxy-; beta-(p-Hydroxyphenyl)alanine; (-)-alpha-Amino-p-hydroxyhydrocinnamic acid; FEMA No. 3736; (S)-alpha-Amino-4-hydroxybenzenepropanoic acid; (S)-(-)-Tyrosine

Frequently Asked Questions

What are the CAS number and molecular formula of (S)-2-Amino-3-(4-hydroxyphenyl)propionic acid?

CAS 25619-78-7; molecular formula C9H11NO3; molecular weight — g/mol.

What other names is (S)-2-Amino-3-(4-hydroxyphenyl)propionic acid known by?

L-tyrosine, tyrosine, 60-18-4, (S)-Tyrosine, (2S)-2-amino-3-(4-hydroxyphenyl)propanoic acid, p-Tyrosine.

What is the regulatory status of (S)-2-Amino-3-(4-hydroxyphenyl)propionic acid?

Documented regulatory listings: EU Flavoring substances; FDA Substance added to food: FLAVORING AGENT OR ADJUVANT, NUTRIENT SUPPLEMENT; Flavoring Agents.

Is (S)-2-Amino-3-(4-hydroxyphenyl)propionic acid classified as hazardous?

84.3% of GHS notifications report no hazard classification (226 of 268).

What are the key physical properties of (S)-2-Amino-3-(4-hydroxyphenyl)propionic acid?

Melting Point: 343; Melting Point: 344 °C; Melting Point: 343 °C; Solubility: 479.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.

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