L-Dihydroorotic acid, 99%, Thermo Scientific Chemicals

Product Code	Brand	Quantity	Packaging
11906541	Thermo Scientific Acros 437240010	1 g	Glass bottle
11916541	Thermo Scientific Acros 437240050	5 g	Glass bottle

Description

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Chemical Identifiers

• CAS: 5988-19-2
• Molecular Weight (g/mol): 158.11
• Synonym: l-dihydroorotic acid, s-2,6-dioxohexahydropyrimidine-4-carboxylic acid, l-dihydroorotate, dihydro-l-orotic acid, s-dihydroorotic acid, l-hydroorotic acid, s-dihydroorotate, hydroorotic acid, l, 4s-2,6-dioxo-1,3-diazinane-4-carboxylic acid, s-4,5-dihydroorotate
• ChEBI: CHEBI:17025
• SMILES: C1C(NC(=O)NC1=O)C(=O)O

• Molecular Formula: C₅H₆N₂O₄
• InChI Key: UFIVEPVSAGBUSI-REOHCLBHSA-N
• PubChem CID: 439216
• IUPAC Name: (4S)-2,6-dioxo-1,3-diazinane-4-carboxylic acid

Specifications

• CAS: 5988-19-2
• Color: White
• Assay Percent Range: 98.5% min. (HPLC)
• Synonym: l-dihydroorotic acid, s-2,6-dioxohexahydropyrimidine-4-carboxylic acid, l-dihydroorotate, dihydro-l-orotic acid, s-dihydroorotic acid, l-hydroorotic acid, s-dihydroorotate, hydroorotic acid, l, 4s-2,6-dioxo-1,3-diazinane-4-carboxylic acid, s-4,5-dihydroorotate
• SMILES: C1C(NC(=O)NC1=O)C(=O)O
• Molecular Weight (g/mol): 158.11
• ChEBI: CHEBI:17025
• Percent Purity: 99%
• Chemical Name or Material: L-Dihydroorotic acid

• Melting Point: 254.0°C to 255.0°C
• Infrared Spectrum: Authentic
• Molecular Formula: C₅H₆N₂O₄
• InChI Key: UFIVEPVSAGBUSI-REOHCLBHSA-N
• IUPAC Name: (4S)-2,6-dioxo-1,3-diazinane-4-carboxylic acid
• PubChem CID: 439216
• Formula Weight: 158.11
• Physical Form: Powder

Safety and Handling

GHS H Statement
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.

GHS P Statement
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes.
Remove contact lenses,if present and easy to do.
Continue rinsing.
IF ON SKIN:

GHS Signal Word: Warning

Product Identifier

• L-Dihydroorotic acid

Signal Word

• Warning

Hazard Category

• Serious eye damage/eye irritation Category 2
• Skin corrosion/irritation Category 2
• Specific target organ toxicity Category 3

Hazard Statement

• H319-Causes serious eye irritation.
• H335-May cause respiratory irritation.
• H315-Causes skin irritation.

Precautionary Statement

• P261-Avoid breathing dust/fume/gas/mist/vapours/spray.
• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P302+P352-IF ON SKIN: Wash with plenty of water/.
• P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

RUO – Research Use Only