ChemicalBook > CAS DataBase List > N-Acetyl-DL-tryptophan

N-Acetyl-DL-tryptophan

Product Name: N-Acetyl-DL-tryptophan
CAS No.: 87-32-1
Chemical Name: N-Acetyl-DL-tryptophan
Synonyms: AURORA 2470;AC-DL-TRP-OH;N-Ac-DL-Trp-OH;N-ACETYL-DL-TRP;acetyltryptophan;AKOS BBS-00007672;N-Ac-DL-Tryptophan;DL-ACETYLTRYPTOPHAN;N-Acetyl-DL-tryptoph;DL-N-Acetyltryptophan
CBNumber: CB3765850
Molecular Formula: C13H14N2O3
Formula Weight: 246.26
MOL File: 87-32-1.mol

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N-Acetyl-DL-tryptophan Property

Melting point:: 204-206 °C (dec.) (lit.)
Boiling point:: 389.26°C (rough estimate)
alpha: -0.5～+0.5°(20℃/D)(c=2,C2H5OH)
Density: 1.1855 (rough estimate)
vapor pressure: <0.00005 mPa ( 20 °C)
refractive index: 1.6450 (estimate)
storage temp.: 2-8°C
solubility: Slightly soluble in water, very soluble in ethanol (96 per cent). It dissolves in dilute solutions of alkali hydroxides.
pka: 3.65±0.10(Predicted)
form: Powder
color: White to light yellow
PH: 3.25 (20°C, 0.5g/L in H2O)
biological source: synthetic
Water Solubility: INSOLUBLE IN COLD WATER
BRN: 89478
Stability:: Stable. Incompatible with strong oxidizing agents.
InChIKey: DZTHIGRZJZPRDV-UHFFFAOYSA-N
LogP: -0.408 (est)
CAS DataBase Reference: 87-32-1(CAS DataBase Reference)
NIST Chemistry Reference: Acetyl-dl-tryptophan(87-32-1)
EPA Substance Registry System: Tryptophan, N-acetyl- (87-32-1)

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Safety

Safety Statements: 24/25
WGK Germany: 3
Hazard Note: Keep Cold
TSCA: Yes
HS Code: 29339990

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: A6251
Product name: N-Acetyl-DL-tryptophan
Packaging: 5g
Price: $30.4
Updated: 2025/07/31

Sigma-Aldrich

Product number: PHR9289
Product name: N-Acetyl-<SC>DL</SC>-tryptophan
Purity: certified reference material, TraceCERT?, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
Packaging: 100MG
Price: $308
Updated: 2025/07/31

Sigma-Aldrich

Product number: A6251
Product name: N-Acetyl-DL-tryptophan
Packaging: 1kg
Price: $1500
Updated: 2025/07/31

Sigma-Aldrich

Product number: 1.18488
Product name: N-Acetyl-<SC>DL</SC>-tryptophan
Purity: EMPROVE? EXPERT, Ph. Eur., BP
Packaging: 5kg
Price: $7258
Updated: 2025/07/31

Sigma-Aldrich

Product number: 1.18488
Product name: N-Acetyl-<SC>DL</SC>-tryptophan
Purity: EMPROVE? EXPERT, Ph. Eur., BP
Packaging: 25kg
Price: $32708
Updated: 2025/07/31

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N-Acetyl-DL-tryptophan Chemical Properties,Usage,Production

Chemical Properties

white powder

Uses

N-Acetyl-DL-tryptophan is produced via chemical synthesis using the standard amino acid, tryptophan. It can be used in downstream applications of biopharmaceutical production as a transfer agent or stabilizer.

Definition

ChEBI: An N-acetylamino acid that is the N-acetyl derivative of tryptophan.

Flammability and Explosibility

Not classified

Purification Methods

A likely impurity is tryptophan. Crystallise it from EtOH by adding water. [Cowgill Biochim Biophys Acta 200 18 1970, DL: Berg J Biol Chem 100 79 1933, Beilstein 22/14 V 40-50.]

N-Acetyl-DL-tryptophan Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from N-Acetyl-DL-tryptophan manufacturers

Anhuyan (Hainan) Biotechnology Co., LTD

Product: N-Acetyl-DL-tryptophan 87-32-1
Price: US $0.00/kg
Min. Order: 0.001kg
Purity: 99%
Supply Ability: 200000T
Release date: 2025-06-06

WUHAN FORTUNA CHEMICAL CO., LTD

Product: N-Acetyl-DL-tryptophan 87-32-1
Price: US $0.00/Kg/Drum
Min. Order: 1KG
Purity: 99%min AJI
Supply Ability: 1000kg
Release date: 2021-09-22

HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD

Product: N-Acetyl-DL-tryptophan 87-32-1
Price: US $999.00-800.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 5000
Release date: 2024-08-22

87-32-1, N-Acetyl-DL-tryptophanRelated Search:

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rac-(S*)-2-(Acetylamino)-3-(1H-indole-3-yl)propanoic acid

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N-Acetyl-DL-tryptoph

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-Acetyl-DL-tryptophan

acetyl-dextro,laevo-tryptophan

N-ACETYL-DL-TRYPTOPHAN For Biochemistry

A.?3β-[(3-O-acetyl-2,6-dideoxy-β-d-ribo-hexopyranosyl-(1→4)-2,6-dideoxy-β-d-ribo-hexopyranosyl-(1→4)-2,6-dideoxy-β-d-ribo-hexopyranosyl)oxy]-12β,14-dihydroxy-5β-card-20(22)-enolide(α-acetyldigoxin)

N-α-Acetyl-DL-Tryptophan

N-Acetyl-DL-Tryptophan 99% For Biochemistry

N-Acetyl-<sc>DL</sc>-tryptophan

Tryptophan Impurity 76

87-32-1

87-32-2

87-32-3

2121-93-5

Amino Acid Derivatives

Specialty Synthesis

Tryptophan

Peptide Synthesis

Indoles

Tryptophans