Noruron reference materials for residue analysis

Noruron reference materials Certified precision for residue analysis

Ensure confident Noruron quantification with HPC Standards. Our highpurity, certified reference materials and readytouse solutions support LCMSMS and GCMS workflows across food and environmental matricesaccelerating method development, calibration, and ISOIEC 17025 validation. Rely on CoA-backed traceability, documented uncertainty, and stabilitytested formats for robust LOQs, recoveries, and regulatory compliance. Custom concentrations and mixtures available to match your target MRLs and monitoring needs.

Product		Catalog No./ CAS No.	Quantity	Price
Noruron solution Concentration: 100 µg/ml Solvent: Acetonitrile		686007 18530-56-8	1X1ML	Please log in.

HPC Standards GmbH supplies certified reference materials for Noruron to support accurate quantification in food and environmental matrices, ensuring robust method validation and regulatory compliance.

Overview

Noruron (rac-N,N-dimethyl-N'-[(octahydro-4,7-methano-1H-inden-5-yl)]urea) is a pre-emergent urea herbicide active ingredient. It is considered obsolete in many regions but may still be encountered in legacy applications and environmental monitoring.

Key identifiers: CAS 18530-56-8; EC 242-406-2; PubChem CID 12313523; molecular formula C13H22N2O; molar mass 222.33 g/mol.

Uses

Historically applied for control of grass and broadleaf weeds in crops such as cotton, potatoes, sugarcane, spinach, soybeans, sorghum, and broomcorn. Application rates reported at approximately 0.75–4 kg/ha (active ingredient), typically as wettable powders or granules.

Field performance varied by crop and site; comparable to simazine in some trials but with shorter residual activity.

Regulatory

European Union: Not approved for use (non-approved active substance). Users in the EU typically monitor for legacy residues in environmental matrices rather than conduct new applications.

Other jurisdictions: Status may vary; consult national pesticide registries for current approvals, MRLs, and phase-out provisions.

Monitoring

Relevant matrices: surface and groundwater near historical application areas; agricultural soils; food commodities formerly treated or exposed via drift; non-crop areas (rights-of-way, storage yards) with historical use.

Sampling strategies should consider Noruron’s moderate water solubility (≈194 mg/L at 25 °C) and potential transport to aquatic systems.

Health Impact

Human toxicity: GHS signal word Warning; hazard statements H302 (harmful if swallowed), H311 (toxic in contact with skin). Reported acute toxicity: oral LD50 (rat) ≈ 2000 mg/kg; dermal LD50 (rabbit) ≈ 723 mg/kg. Appropriate risk management is required during handling and analysis.

Environmental Impact

Given historical pre-emergent use, environmental concerns focus on persistence in soils, potential runoff to surface waters, and non-target plant effects. Site-specific assessment is recommended due to variability in degradation and transport.

Effects on wildlife

Risk is primarily associated with exposure of non-target plants and potentially aquatic organisms via runoff. Local ecotoxicological data and water quality guidelines should be consulted where monitoring detects Noruron.

Safety Measures

Implement laboratory controls aligned with GHS classification: dermal protection (chemically resistant gloves, lab coat), eye protection, and good hygiene practices. Follow safety phrases P264, P280, P312, P321, P361+P364, P501 as applicable on product SDS.

Physicochemical Properties

Form: solid; melting point ≈ 177 °C; density ≈ 1.10 g/cm³; water solubility ≈ 194 mg/L at 25 °C. Noruron is chiral and stereochemically racemic with five stereocenters (technical material as mixtures of two racemates).

Analytical Methods

Typical determination by LC-MS/MS or GC-MS (after suitable derivatization if required), with matrix-appropriate sample prep (e.g., QuEChERS for food, SPE for water/soil extracts). Include isotopic or structural surrogates for recovery correction where available.

Method validation parameters: linearity across expected MRL/monitoring ranges, LOQ/LOD to meet regulatory limits, recovery (70–120% typical), precision (RSD ≤20%), and matrix effects assessment.

Analytical Standards

HPC Standards provides Noruron reference materials for calibration, method development, and quality control in residue analysis. Formats include neat materials and ready-to-use solutions at custom concentrations.

Custom mixtures, stability-tested solutions, and documentation (CoA with purity, identity, uncertainty, traceability) are available to support ISO/IEC 17025 workflows.

Storage and Stability

Store reference materials in tightly closed containers, protected from light and moisture, under recommended temperature conditions as stated on the CoA/SDS. Avoid prolonged exposure to elevated temperatures. Use within the assigned shelf life; observe solution stability intervals.

Accreditation and Quality

Products are manufactured and tested according to international quality requirements. Each reference material is accompanied by comprehensive documentation to support compliance with industry and regulatory standards.

Synonyms and Trade Names

Synonyms: Norea; N,N-Dimethyl-N'-(octahydro-4,7-methano-1H-inden-5-yl)urea; 1,1-dimethyl-3-[(tricyclo[5.2.1.0²,⁶]decanyl)]urea (stereodescriptors vary). Historical trade names include Herban (formulations such as wettable powders), and legacy liquids Daban-1/Maban-2 in certain markets.

Ordering Information

Contact HPC Standards for catalog numbers, available purities, solution concentrations, packaging sizes, and bulk or custom requests. Expedite procurement with target matrix, method, and concentration ranges to ensure fit-for-purpose configuration.