Guanine hydrochloride Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 635-39-2 |
| Product name | Guanine hydrochloride |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeReagent GradeCosmetic GradeFood 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 Guanine hydrochloride
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Guanine hydrochloride Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Guanine hydrochloride
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate in the synthesis of antiviral agents (e.g., acyclovir, ganciclovir, and other nucleoside analogues) | Used as a starting material or key intermediate in the chemical synthesis of nucleoside analogues |
| Biotechnology | Reference standard or calibrant in DNA/RNA research | Employed in in vitro experiments studying nucleic acid metabolism, base pairing, and enzymatic reactions |
| Cosmetics | Added to premium skincare products for claimed skin-brightening or anti-aging effects | Incorporated directly as an active ingredient into emulsions, serums, and other dosage forms |
| Analytical Chemistry | Reference standard for chromatographic analysis (e.g., HPLC) | Used to prepare standard solutions for quantitative determination of purine compounds in biological samples |
| Research | Model compound for investigating purine metabolic pathways and associated enzyme mechanisms | Applied as a substrate or inhibitor in cell culture or biochemical reaction systems |
Manufacturing Quality Control of Guanine hydrochloride
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reversed-phase HPLC with UV detection at 254 nm, comparing peak area against a certified reference standard. |
| Loss on Drying | Gravimetric (105 C oven drying) | Mass loss measured after drying sample at 105 C to constant weight, reflecting volatile content including moisture and residual solvents. |
| Residue on Ignition | Gravimetric (sulfated ash) | Mass of inorganic residue remaining after high-temperature incineration in presence of sulfuric acid, indicating inorganic impurities. |
| Chloride Impurity | Ion Chromatography (IC) | Separation and quantification of chloride ions using anion-exchange column with conductivity detection. |
| Sulfate Impurity | Turbidimetry | Formation of barium sulfate precipitate in acidic medium; quantification via measurement of turbidity at 420 nm. |
| Heavy Metals (as Pb) | AAS (Flame or Graphite Furnace) | Atomic absorption spectroscopy after wet digestion, measuring absorbance of ground-state atoms at characteristic wavelength. |
| Iron (Fe) | ICP-OES | Excitation of atomized sample in plasma; quantification by emission intensity at Fe-specific wavelength (e.g., 238.204 nm). |
| pH (1% aqueous solution) | Potentiometric pH measurement | Determination of hydrogen ion activity using calibrated glass electrode in aqueous suspension. |
| Related Substances | HPLC-DAD | Separation of structurally similar impurities using gradient HPLC with diode-array detection for identification and quantification. |
| Water Content | Karl Fischer Titration (Coulometric) | Electrochemical titration based on iodine generation and reaction with water in anhydrous methanol-based reagent. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light passing through a solution, indicating chiral purity and identity. |
| Microbial Limits | Membrane Filtration + Culture | Enumeration of aerobic mesophilic microorganisms by filtration, membrane transfer to solid media, and colony counting after incubation. |
Technical Specifications of Guanine hydrochloride
| Test Item | Specification |
|---|---|
| Appearance | Off-white crystalline solid |
| Purity | >=98.0% (HPLC) |
| Water Content (KF) | <=0.5% |
| Melting Point | 315-320°C (decomposes) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
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 Guanine hydrochloride
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Guanine hydrochloride
Packaging of Guanine hydrochloride
Industrial Guanine hydrochloride 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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