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Home/Compounds/API/Hydroxycarbamide
CH4N2O2
76.055 g/mol
APIDanger

Hydroxyurea

CAS127-07-1EC204-821-7
Category
API
Compound Class
Amide
Primary Use
Pharmaceutical Raw Material

Hydroxyurea is an antineoplastic active pharmaceutical ingredient used in the manufacture of medications. It can cause developmental toxicity according to state or federal government labeling requirements.

Antineoplastic agent in pharmaceutical manufacturingAntisickling agent in pharmaceutical manufacturingEnzyme inhibitor in pharmaceutical production

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

Restricted or banned substances

Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.

Relevant lists:California Proposition 65

CAS 127-07-1

Related Compounds

ApplicationSame Use

Amsacrine hydrochloride

CAS54301-15-4

pharmaceutical raw material

ReferenceSame Category

Sulfacetamide sodium

CAS127-56-0

pharmaceutical raw material

ReferenceSame Category

Sulfamerazine sodium

CAS127-58-2

pharmaceutical raw material

ReferenceSame Category

Sulfabenzamide

CAS127-71-9

pharmaceutical raw material

ReferenceSame Category

Sulfamerazine

CAS127-79-7

pharmaceutical raw material

Safety Reference

Health Hazard
Health Hazard
Danger
H340May cause genetic defects
H360May damage fertility or the unborn child
H361Suspected of damaging fertility or the unborn child
Regulatory Compliance1
  • California Proposition 65USRegulation
    Listed· listed since 1997-05-01Source

Customs Tariff Classification

The international HS code for Hydroxyurea (CAS 127-07-1) is 2928.00.

HS code (international, 6-digit)

2928.00

EU CN code (8-digit)

2928 00 90

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

hydroxyurea

InChIKey

VSNHCAURESNICA-UHFFFAOYSA-N

SMILES

C(=O)(N)NO

Synonyms (74)
  • NHY
  • Hidroxicarbamida [INN-Spanish]
  • Hydroxycarbamide (JAN/INN)
  • Hydroxycarbamide, European Pharmacopoeia (EP)
  • Hydroxycarbamidum [INN-Latin]
  • Hydroxyurea (USP)
  • Hydroxyurea, United States Pharmacopeia (USP)
  • 1-HYDROXYUREA
  • Ammonium-bitumen-sulfonate
  • Biosupressin
  • Carbamohydroxamic acid
  • Carbamohydroximic acid
  • Carbamohydroxyamic acid
  • Carbamoyl oxime
  • Carbamyl hydroxamate
  • Droxia
  • Droxia (TM)
  • Droxia (TN)
  • HYDREA (TN)
  • HYDROXYCARBAMIDE [MART.]
  • Hidrix
  • Hidroxicarbamida
  • Hydrea
  • Hydrea (Bristol Meyers)
  • Hydrea (TM)
  • Hydreia
  • Hydroxicarbamidum
  • Hydroxy Urea Impurity 2
  • Hydroxycarbamid
  • Hydroxycarbamide
  • Hydroxycarbamide CRS
  • Hydroxycarbamidum
  • Hydroxycarbamine
  • Hydroxyharnstoff
  • Hydroxyharnstoff [German]
  • Hydroxylamine, N-carbamoyl-
  • Hydroxylurea
  • Hydroxyurea (Cytodrox)
  • Hydroxyurea (D4)
  • Hydroxyurea, 98%, powder
  • Hydura
  • Hydurea
  • IL-6 & Hydroxyurea
  • Ichthammol
  • Idrossicarbamide
  • Litaler
  • Litalir
  • Mylocel
  • N-Carbamoylhydroxylamine
  • N-Hydroxymocovina
  • N-Hydroxymocovina [Czech]
  • N-Hydroxyurea
  • NCI C04831
  • Onco-carbide
  • Oxeron
  • Oxyurea
  • Siklos
  • Siklos (TN)
  • Syrea
  • Urea, hydroxy-
  • Xromi
  • aminohydroxamic acid
  • carbamic acid oxime
  • carbamide oxide
  • hydroxyaminomethanamide
  • hydroxyurea
  • idroxicarbamide
  • urea, N-hydroxy-