PTEROIC ACID Bulk Supply for Industrial Use
China Factory Direct
 |
|
| CAS number | 119-24-4 |
| Product name | PTEROIC ACID |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical Grade |
| Packaging | 25KG/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) |
QUOTE TYPE
PACKAGING TYPE
TOTAL QUANTITY(KG)
PREFERRED SHIPPING METHOD
YOUR COMPANY
YOUR E-MAIL
Calculate Summary
Based on current marketvolatility and material availability.
Documents We Provide for PTEROIC ACID
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk PTEROIC ACID Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of PTEROIC ACID
| Industry | Application | Process |
|---|---|---|
| Dye Industry | Intermediate for synthesizing azo dyes, used in the production of reactive, acid, and direct dyes | Diazotization-coupling reaction: Pterin undergoes diazotization followed by coupling with aromatic amines or phenols to form azo dyes |
| Pharmaceutical Industry | Starting material for synthesizing folic acid (vitamin B9) and its derivatives, such as methotrexate | Multistep organic synthesis: Pteridine ring formation via acylation, cyclization, and oxidation, followed by introduction of the glutamic acid side chain |
| Pesticide Industry | Heterocyclic building block for synthesizing certain insecticides and plant growth regulators | Heterocycle construction: Serves as the pteridine core scaffold in condensation and substitution reactions to produce pteridine-containing agrochemicals |
Manufacturing Quality Control of PTEROIC ACID
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Pteroylglutamic Acid) | HPLC-UV | Quantification using reversed-phase HPLC with UV detection at 280 nm, based on peak area comparison against certified reference standard. |
| Appearance | Visual Inspection | Assessment of physical state and color by observation under controlled white light against defined reference standards. |
| Loss on Drying | Gravimetric Analysis | Determination of volatile content by measuring mass loss after drying at 105 C for 2 hours under atmospheric pressure. |
| Residue on Ignition | Sulfated Ash Gravimetry | Measurement of inorganic residue after charring and ashing at 600 C followed by sulfate treatment and weighing. |
| Heavy Metals (as Pb) | AAS or ICP-OES | Quantification of total heavy metals via atomic absorption spectroscopy or inductively coupled plasma optical emission spectrometry after acid digestion. |
| Chloride | Argentometric Titration | Determination by titration with silver nitrate using potassium chromate indicator; endpoint signaled by red-brown silver chromate precipitate. |
| Sulfate | Barium Sulfate Gravimetry | Precipitation of sulfate as barium sulfate followed by filtration, drying, and weighing of the insoluble residue. |
| Related Substances | HPLC-DAD | Separation and detection of impurities using gradient HPLC with diode-array detection, relative to main peak area. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric determination of water based on iodine-sulfur dioxide reaction in anhydrous methanol/pyridine medium. |
| pH of Solution | Potentiometric Measurement | Measurement of hydrogen ion activity in a 1% aqueous solution using calibrated pH electrode and standard buffer references. |
| Specific Optical Rotation | Polarimetry | Determination of chiral purity by measuring rotation of plane-polarized light at 20 C using sodium D-line (589 nm). |
| Microbial Limits | Membrane Filtration | Enumeration of aerobic microorganisms and detection of specified pathogens per pharmacopeial methods using sterile membrane filtration and culture media. |
Technical Specifications of PTEROIC ACID
| Test Item | Specification |
|---|---|
| Appearance | Brown solid |
| Purity | >=98.5% (HPLC) |
| Melting Point | 192–196°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=20 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
|
|
Download COA of PTEROIC ACID
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of PTEROIC ACID
Packaging of PTEROIC ACID
Industrial PTEROIC ACID 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.
Use Bulk
Supply Factory
Direct ISO 9001
Certified Samples
Available Stable
Supply