Description

o-Methylisourea Hydrochloride is a versatile organic salt widely used as a key reagent in heterocyclic synthesis and pharmaceutical intermediate manufacturing. Its primary value lies in its reactivity as a protected guanidine equivalent, enabling the efficient construction of complex molecular frameworks. This compound is essential for research and production in the pharmaceutical, agrochemical, and fine chemical industries, where it serves as a critical building block for active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of various drug candidates, particularly those containing guanidine or pyrimidine moieties.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators.
• Heterocyclic Chemistry: Serves as a key reagent for constructing pyrimidines, triazines, and other nitrogen-containing heterocycles.
• Bioconjugation & Protein Modification: Employed in biochemical research for modifying amino acids, peptides, and proteins.
• Fine Chemical Production: Acts as a precursor for dyes, pigments, and specialty polymers.
• Research & Development: A valuable tool in academic and industrial R&D labs for method development and novel compound synthesis.

Basic Information

Product Name	o-Methylisourea Hydrochloride
CAS No.	5329-33-9
Molecular Formula	C₂H₇ClN₂O
Molecular Weight	110.54 g/mol
Synonyms	O-Methylisourea Hydrochloride; Methylisourea Hydrochloride; Isourea, O-methyl-, hydrochloride; 1-Methylisourea Hydrochloride; Methyl Guanidine Hydrochloride (common name); UNII-1W8M0P1560; Guanidine, N-methyl-, hydrochloride
EINECS	226-198-6

Quality Control

Our o-Methylisourea Hydrochloride is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specific results for assay, impurities, and physical characteristics are provided with every shipment to guarantee compliance with your project requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.