N-Acetyl-L-tyrosine 537-55-3

N-Acetyl-L-Tyrosine (N-acetyl-L-tyrosine) is an acetylated derivative of L-tyrosine, with the molecular formula C₁₁H₁₃NO₄, a molecular weight of 223.23, and a CAS number of 537-55-3. ‌
White to off-white solid powder, soluble in water (25mg/ml) and ethanol, melting point 149-152°C, specific rotation 47.5° (c=2, water). The structure is formed by acetylation modification of L-tyrosine and is sensitive to strong oxidants. ‌

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Model:
537-55-3
Brand:
futurechemical
Code:
537-55-3

Product Description

N-Acetyl-L-tyrosine Basic information
Product Name:	N-Acetyl-L-tyrosine
CAS:	537-55-3
MF:	C11H13NO4
MW:	223.23
EINECS:	208-671-3
Mol File:	537-55-3.mol
N-Acetyl-L-tyrosine Chemical Properties
Melting point	149-152 °C(lit.)
alpha	47.5 º (c=2, water)
Boiling point	364.51°C (rough estimate)
density	1.2446 (rough estimate)
refractive index	1.4960 (estimate)
storage temp.	Sealed in dry,Room Temperature
solubility	H2O: soluble25mg/mL
pka	3.15±0.10(Predicted)
form	Crystalline
color	White to Off-White
Water Solubility	Soluble in water (25 mg/ml), and ethanol.
BRN	2697172
Stability:	Stable. Incompatible with strong oxidizing agents.
LogP	1.32
CAS DataBase Reference	537-55-3(CAS DataBase Reference)
NIST Chemistry Reference	N-acetyl-Tyr(537-55-3)
EPA Substance Registry System	N-Acetyl-L-tyrosine (537-55-3)

N-Acetyl-L-tyrosine 537-55-3 C11H13NO4 Cosmetic raw materials

Quality Assurance

Full-Process Quality Control: From incoming raw material inspection to in-process monitoring and final outgoing checks, every batch is inspected at each production stage against strict acceptance standards.
Third-Party Certified & Tested: Our quality management system is certified to ISO 9001, and products are regularly tested by accredited laboratories (e.g. SGS, TÜV). Test reports are available on request.
100% Batch Traceability: Each batch carries a unique lot number that links raw material records, production parameters, and test results, enabling complete traceability from factory to final delivery.
Pre-Shipment Inspection: Every order passes a final pre-shipment inspection, with inspection photos and reports shared before dispatch.

FAQ From Customers

Q1: What is the minimum order quantity?

A: There is no quantity limit for the first sample or trial order. Just tell us the actual quantity you need.
Q2: How can I confirm that the quality meets the requirements?

A: Provide your specifications, and our technical team will check them or customize them for you; we can provide TDS, MSDS, and COA, and accept third-party testing.
Q3: How do you ensure stable quality?

A: We manufacture under an ISO 9001 quality system, test every batch before release, and retain samples for 24 months for traceability.
Q4: Do you provide samples?

A: Yes — Free samples are available; freight is at buyer's expense for express delivery.