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  • H8627
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H8627

Sigma-Aldrich

Hydroxyurea

98%, powder

Synonym(s):
Hydroxycarbamide
Linear Formula:
NH2CONHOH
CAS Number:
Molecular Weight:
76.05
Beilstein:
1741548
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.77

Quality Level

Assay

98%

form

powder

color

white

solubility

H2O: 50 mg/mL

storage temp.

2-8°C

SMILES string

NC(=O)NO

InChI

1S/CH4N2O2/c2-1(4)3-5/h5H,(H3,2,3,4)

InChI key

VSNHCAURESNICA-UHFFFAOYSA-N

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This Item
4000461332000PHR2629
Hydroxyurea 98%, powder

Sigma-Aldrich

H8627

Hydroxyurea

Hydroxyurea Anti-neoplastic agent that blocks DNA replication by inhibiting ribonucleotide reductase.

Sigma-Aldrich

400046

Hydroxyurea

Hydroxyurea United States Pharmacopeia (USP) Reference Standard

USP

1332000

Hydroxyurea

Hydroxyurea Pharmaceutical Secondary Standard; Certified Reference Material

Supelco

PHR2629

Hydroxyurea

assay

98%

assay

≥98% (HPLC)

assay

-

assay

-

form

powder

form

solid

form

-

form

solid

color

white

color

white

color

-

color

-

solubility

H2O: 50 mg/mL

solubility

water: 5 mg/mL

solubility

-

solubility

-

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

Quality Level

200

Quality Level

100

Quality Level

-

Quality Level

-

Application

Hydroxyurea has been used:
  • for cell cycle synchronization in MCF-7 human breast carcinoma cells, Schizosaccharomyces pombe, primary root of seedling
  • as a drug for treating the parasite Leishmania mexicana in cell viability and cell cycle assay
  • as an inhibitor in the cell adhesion and motility assay in Caki control and CD9 knockdown cells

Biochem/physiol Actions

Anti-neoplastic. Inactivates ribonucleoside reductase by forming a free radical nitroxide that binds a tyrosyl free radical in the active site of the enzyme. This blocks the synthesis of deoxynucleotides, which inhibits DNA synthesis and induces synchronization or cell death in S-phase.

Features and Benefits

This compound is a featured product for Apoptosis research. Click here to discover more featured Apoptosis products. Learn more about bioactive small molecules for other areas of research at sigma.com/discover-bsm.

Pictograms

Health hazard

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Muta. 1B - Repr. 2

Storage Class Code

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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