L-Citrulline DL-Malate 2:1 Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 54940-97-5 |
| Product name | L-Citrulline DL-Malate 2:1 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeReagent GradeFood GradeCosmetic Grade |
| Packaging | 25KG/bag500KG/bag1000KG/bag |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
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Documents We Provide for L-Citrulline DL-Malate 2:1
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk L-Citrulline DL-Malate 2:1 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of L-Citrulline DL-Malate 2:1
| Industry | Application | Process |
|---|---|---|
| Food Industry | Nutritional Supplement | Directly added as a food additive or formulated into nutritional supplements by blending with other ingredients |
| Pharmaceutical Industry | Pharmaceutical Intermediate | Used in the synthesis of bioactive compounds, such as cardiovascular drugs |
| Dietary Supplements | Sports Nutrition | Processed into powders, capsules, and other dosage forms for athletes and fitness enthusiasts to support muscle recovery and growth |
| Cosmetics | Skincare Ingredient | Formulated with other skincare actives for use in anti-aging, moisturizing, and other functional products |
| Research | Laboratory Reagent | Used as a reference standard or reactant in various chemical experiments |
Manufacturing Quality Control of L-Citrulline DL-Malate 2:1
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Identification Test | Infrared Spectroscopy (IR) | Confirms functional group characteristics and molecular structure consistency by comparing the infrared absorption spectrum of the sample with that of a reference standard. |
| Thin-Layer Chromatography (TLC) | Separates components based on differential migration rates between the stationary and mobile phases; identification is achieved by comparing the Rf value with that of a reference standard. | |
| Assay | High-Performance Liquid Chromatography (HPLC) | Uses a reversed-phase chromatographic column with a UV detector (e.g., at 210 nm) to determine the content of the main component via external standard or area normalization methods. |
| Non-aqueous Titration | Titrates basic functional groups (e.g., guanidino groups in citrulline) in non-aqueous solvents using perchloric acid to determine total basic content. | |
| pH Value | pH Meter Method | The sample is prepared as a solution of specified concentration, and its acidity or alkalinity is measured directly using a calibrated pH meter. |
| Loss on Drying | Drying Weight Loss Method | The sample is dried at 105°C until constant weight is achieved; the percentage of mass loss is calculated to evaluate moisture and volatile substance content. |
| Residue on Ignition | High-Temperature Ashing Method | The sample is incinerated at high temperature (approximately 600–800°C), and the residual mass is weighed to assess the total amount of inorganic impurities. |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) | After digestion, the content of heavy metal elements such as lead, cadmium, mercury, and arsenic is measured using an atomic absorption spectrophotometer. |
| ICP-MS (Inductively Coupled Plasma Mass Spectrometry) | A highly sensitive method for simultaneous multi-element analysis, suitable for trace-level heavy metal detection. | |
| Related Substances / Impurities | HPLC-UV or HPLC-ELSD | Uses gradient elution to separate potential impurities; impurity peak areas are quantified by comparison with reference standards or self-reference controls. |
| Specific Rotation | Polarimeter Method | A solution of defined concentration is prepared and its optical rotation is measured at a specified wavelength (typically the sodium D line, 589.3 nm) to verify chiral purity. |
| Water Content | Karl Fischer Titration | Determines trace amounts of water in samples using potentiometric or volumetric titration; suitable for thermally unstable or volatile substances. |
| Microbial Limits | Plate Count Method / Membrane Filtration Method | Performs testing according to pharmacopoeial methods to determine total aerobic microbial count, mold and yeast counts, and specified control organisms (e.g., Escherichia coli, Salmonella spp.). |
| Particle Size Distribution (if applicable) | Laser Diffraction Particle Size Analyzer | Used for solid raw materials to evaluate particle size distribution, which influences solubility and process performance. |
| Solubility | Visual Observation / Turbidity Method | Observes dissolution behavior in specified solvents (e.g., water, ethanol); clarity is recorded or turbidity is measured quantitatively. |
Technical Specifications of L-Citrulline DL-Malate 2:1
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 168-172°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Residue on Ignition | <=0.1% |
| Optical Rotation | +12.0° to +14.0° (c=1, H2O) |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
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Download COA of L-Citrulline DL-Malate 2:1
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of L-Citrulline DL-Malate 2:1
Industrial L-Citrulline DL-Malate 2:1 Procurement FAQ
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.
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