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O-Methylisourea Hydrogen Sulphate

O-Methylisourea Hydrogen Sulphate

CAS Number: 52328-05-9

Molecular Formula: C2H8N2O5S

About O-Methylisourea Hydrogen Sulphate

O-Methylisourea bisulfate (CAS 29427-58-5) serves as a critical building block for the synthesis of 5-fluorouracil and other fluoropyrimidine antitumor agents, with current market growth in the United States being propelled by the rise of oncology-focused CDMOs requiring high purity fine chemicals with pharma/API purit...

O-Methylisourea Hydrogen Sulphate Specifications

CAS Number

52328-05-9

Molecular Formula

C2H8N2O5S

Molecular Weight

172.16 g/mol

IUPAC Name

methyl carbamimidate;sulfuric acid

Canonical SMILES

COC(=N)N.OS(=O)(=O)O

InChI Key

MDFRYRPNRLLJHT-UHFFFAOYSA-N

PubChem CID

11357018

CAS Number

52328-05-9

Molecular Formula

C2H8N2O5S

Molecular Weight

172.16 g/mol

IUPAC Name

methyl carbamimidate;sulfuric acid

Canonical SMILES

COC(=N)N.OS(=O)(=O)O

InChI Key

MDFRYRPNRLLJHT-UHFFFAOYSA-N

PubChem CID

11357018

Molecular Weight

172.16 g/mol

Physical appearance

White to almost white powder to crystalline powder

Pharmaceutical Intermediate

An important building block utilized as an intermediate in the synthesis of 5-fluorouracil series antitumor drugs and various medicinal compounds

Agrochemical Intermediate

A critical organic intermediate primarily used in the synthesis of selective herbicides, imidazole insect repellent pesticides, and other technical products

Organic Synthesis Reagent

A functionalized amino salt and excellent amidinylation reagent used as a precursor for the synthesis of guanidine, imidazole, and uracil derivatives in laboratory research and industrial processes.

O-Methylisourea Hydrogen Sulphate FAQs

Minimum Order Quantity

25 kg (evaluation) · 1 MT (commercial)

Lead Time

3 – 5 weeks estimated

Delivery Terms

FOB*

Packaging

20 L pails, 200 L HDPE drums, 1000 L IBC

US Availability

US Facility Inventory

Documentation

US SDS · COA · TDS · Specification sheet

US Regulatory & Quality Information

TSCA status*

US SDS / HazCom*

GHS classification*

ISO 9001:2015 site*

DOT shipping classification*

FDA status*

EPA status*

California Prop 65*

Reliable US supply chain

Regulatory compliance

On-time delivery

Technical expert support

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