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Impurities and reference standards

Monohydroxymelphalan

Also known as Hydroxymelphalan, Monohydroxy melphalan, Mono-melphalan

CAS 61733-01-5Formula C13H19ClN2O3Molar mass 286.76 g/mol
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Monohydroxymelphalan chemical structure, C13H19ClN2O3, CAS 61733-01-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
61733-01-5
Formula
C13H19ClN2O3
Molar mass
286.76 g/mol
HS code
292250
Category
Impurities and reference standards

What is Monohydroxymelphalan?

Plain description, key identifiers and synonyms

Hydroxymelphalan is a phenylalanine derivative.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2S)-2-amino-3-[4-[2-chloroethyl(2-hydroxyethyl)amino]phenyl]propanoic acid
CAS number
61733-01-5 CAS number cross-checked
Molecular formula
C13H19ClN2O3
UNII
ESL4D945VL
InChIKey
CPWJECQKVRUIOI-LBPRGKRZSA-N
InChI
InChI=1S/C13H19ClN2O3/c14-5-6-16(7-8-17)11-3-1-10(2-4-11)9-12(15)13(18)19/h1-4,12,17H,5-9,15H2,(H,18,19)/t12-/m0/s1
Canonical SMILES
NC(Cc1ccc(N(CCO)CCCl)cc1)C(=O)O
Isomeric SMILES
C1=CC(=CC=C1C[C@@H](C(=O)O)N)N(CCO)CCCl

Synonyms

  • Hydroxymelphalan
  • Monohydroxy melphalan
  • Mono-melphalan
  • L-Phenylalanine, 4-[(2-chloroethyl)(2-hydroxyethyl)amino]-
  • L-Phenylalanine, 4-((2-chloroethyl)(2-hydroxyethyl)amino)-
  • Hydroxy Melphalan (>90%)
  • Melphalan ep impurity d
  • (2S)-2-amino-3-[4-[2-chloroethyl(2-hydroxyethyl)amino]phenyl]propanoic acid
  • (S)-2-Amino-3-(4-((2-chloroethyl)(2-hydroxyethyl)amino)phenyl)propanoic acid
  • 4-[(2-Chloroethyl)(2-hydroxyethyl)amino]-L-phenylalanine
  • Hydroxy Melphalan
  • (2S)-2-amino-3-{4-[(2-chloroethyl)(2-hydroxyethyl)amino]phenyl}propanoic acid
  • 4-((2-Chloroethyl)(2-hydroxyethyl)amino)-l-phenylalanine
  • OH-melphalan
  • Hydroxy Melphalan (>90per cent)
  • Melphalan impurity d

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
286.76 g/molcalc.
Exact mass
286.1084 Dacalc.
LogP (octanol/water)
0.68calc.
Topological polar surface area
86.79 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
8calc.
Heavy atoms
19calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.46calc.
Formal charge
0calc.
Stereocentres
1calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Monohydroxymelphalan suppliers

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Monohydroxymelphalan price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Monohydroxymelphalan is traded under.

HS 2922.50Indicative HS code

Amino-alcohol-phenols, amino-acid-phenols and other amino-compounds with oxygen function

World exports in 2024
$3.29B
−5.9% vs 2023, imports $3.19B
2019 to 2024
Top exporters
  1. China39.2%
  2. United Kingdom27.1%
  3. India * partner reported4.8%
Top importers
  1. United States20.7%
  2. Germany7.6%
  3. Italy6.6%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Monohydroxymelphalan is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Monohydroxymelphalan, based on the data on this page

What is Monohydroxymelphalan?

Hydroxymelphalan is a phenylalanine derivative.

What is the CAS number of Monohydroxymelphalan?

The CAS registry number of Monohydroxymelphalan is 61733-01-5.

What is the molecular formula and weight of Monohydroxymelphalan?

The molecular formula of Monohydroxymelphalan is C13H19ClN2O3 and its molar mass is 286.76 g/mol.

Is Monohydroxymelphalan hazardous?

No GHS hazard classification for Monohydroxymelphalan is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Monohydroxymelphalan?

Monohydroxymelphalan is usually classified under HS code 292250 (Amino-alcohol-phenols, amino-acid-phenols and other amino-compounds with oxygen function). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Monohydroxymelphalan?

Post a free request on CompoundList and suppliers of Monohydroxymelphalan will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Monohydroxymelphalan?

Suppliers quote Monohydroxymelphalan on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Monohydroxymelphalan

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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