When purchasing a specialized chemical intermediate, buyers need to consider more than the chemical name. Purity, batch consistency, application compatibility, storage stability, regulatory status, packaging, and long-term supply capability can all influence the success of downstream production.
6-Amino-1,3-Dimethyluracil (CAS 6642-31-5) is a versatile chemical and pharmaceutical intermediate used in pharmaceutical raw material synthesis, chemical manufacturing, and calcium-zinc PVC heat stabilizer systems. With a chromatographic purity of ≥99.0%, Guangxing Chemical provides 6-Amino-1,3-Dimethyluracil for customers requiring controlled specifications and reliable industrial supply.
As a specialized uracil manufacturer, Guangxing combines chemical production experience, quality management systems, application development, and international supply capabilities to support customers in different markets.

6-Amino-1,3-Dimethyluracil Specifications
For procurement teams and technical buyers, clear specifications are essential when evaluating a chemical intermediate.
The standard specification of Guangxing's 6-Amino-1,3-Dimethyluracil includes:
Chemical Name: 6-Amino-1,3-Dimethyluracil
CAS No.: 6642-31-5
EINECS No.: 229-662-0
Molecular Formula: C6H9N3O2
Molecular Weight: 155.15
Appearance: Off-white to light yellow powder
Chromatographic Purity: ≥99.0%
Loss on Drying: ≤1.0%
Melting Point: Approximately 295°C, with decomposition
The product is supplied in 25 kg bags, with an inner polyethylene bag and outer white woven bag. Customized packaging can also be discussed according to customer requirements.
These defined specifications give buyers a practical basis for incoming quality control, formulation development, and supplier comparison.
A High-Purity Intermediate for Chemical Synthesis
The chemical structure of 6-Amino-1,3-Dimethyluracil provides useful reactivity for organic synthesis.
The amino group has nucleophilic characteristics and can participate in chemical transformations such as condensation reactions with aldehyde compounds to form corresponding derivatives. The compound can therefore serve as a starting material or intermediate in the development of more complex chemical structures.
For research laboratories, pharmaceutical manufacturers, and chemical producers, high purity is particularly important because unwanted impurities may interfere with reactions or affect downstream product quality.
With a specified chromatographic purity of ≥99.0%, Guangxing's product is designed for customers who require a refined chemical intermediate with controlled quality.
Pharmaceutical and Medical Raw Material Applications
One of the important application areas for 6-Amino-1,3-Dimethyluracil CAS 6642-31-5 is pharmaceutical-related manufacturing.
The compound can be used as an intermediate in the synthesis of various pharmaceutical raw materials. Its chemical structure allows it to participate in organic synthesis routes used to develop more complex molecules.
For pharmaceutical and chemical companies, sourcing a consistent intermediate can help improve production planning and batch-to-batch control. This is particularly relevant when the material is incorporated into a multi-step synthesis process where upstream raw material quality can influence downstream reactions.
Guangxing focuses on controlled manufacturing and product consistency to support customers using 6-Amino-1,3-Dimethyluracil in pharmaceutical and chemical synthesis.
Application in Calcium-Zinc PVC Stabilizers
Beyond pharmaceutical and chemical applications, 6-Amino-1,3-Dimethyluracil has an important role in calcium-zinc PVC heat stabilizer systems.
In suitable formulations, it can help improve initial coloring, initial stability, whiteness, and overall product stability. Its stabilizing mechanism is associated with interactions with metal ions in the formulation.
During PVC processing, calcium and zinc components can interact with other formulation ingredients and potentially contribute to unwanted coloration or stability problems. The introduction of suitable stabilizing components can help control these reactions and support the desired processing performance.
This makes 6-Amino-1,3-Dimethyluracil relevant to manufacturers developing environmentally oriented PVC stabilization systems.
For customers developing calcium-zinc stabilizers, the appropriate dosage and formulation should be established according to the PVC resin, stabilizer system, processing conditions, color requirements, and other formulation components.
Chemical Industry Applications
The versatility of 6-Amino-1,3-Dimethyluracil also makes it useful in broader chemical synthesis.
As an organic synthesis intermediate, it can be incorporated into reaction pathways for producing compounds with different structures and properties. Potential downstream areas include coatings, plastics, textiles, pharmaceuticals, dyes, and specialty chemicals.
For chemical manufacturers, this flexibility creates opportunities to use the compound in different synthesis programs.
However, different synthesis routes can have different requirements for purity, particle characteristics, moisture, packaging, and storage. Buyers should therefore communicate their intended application and technical specifications when requesting a quotation.
Why 99% Purity Matters to Buyers
When purchasing chemical intermediates, purity is often one of the first technical parameters evaluated.
For 6-Amino-1,3-Dimethyluracil, Guangxing specifies a chromatographic purity of ≥99.0% and loss on drying of ≤1.0%.
High purity can be particularly valuable when the material is used in multi-step synthesis, where impurities introduced at an early stage may influence subsequent reactions or purification requirements.
For industrial procurement, consistent specifications also make it easier to establish incoming inspection standards and maintain stable production processes.
Guangxing's manufacturing process emphasizes controlled production conditions and quality monitoring to maintain product consistency between batches.
International Compliance and Quality Management
For international chemical buyers, supplier qualification is an important part of sourcing.
Guangxing Chemical has successfully passed ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018 system certifications, as well as the Hebei Province Industrial Enterprise R&D Institution Certification.
The company is also a member of the Plastic Additive Professional Committee of the China Plastics Processing Association and has obtained the Technology-Oriented Small and Medium-Sized Enterprise certificate issued by the Science and Technology Department of Hebei Province.
Importantly, 6-Amino-1,3-Dimethyluracil was officially registered under EU REACH in 2018, supporting its international market positioning.
Guangxing also states that its manufactured products comply with RoHS-compliant standards, providing additional support for customers with environmental and compliance requirements.
Specialized Uracil Manufacturing Capability
Guangxing Chemical has specialized expertise in uracil-related products. The company is described as the first and largest uracil production enterprise and the only domestic uracil production enterprise specializing in PVC heat stabilizers in China.
Its product portfolio includes 6-Amino-1,3-Dimethyluracil, 1,3-Dimethylurea, 1,3-Dimethylurea Flake, and other chemical products.
The company has also established long-term technical cooperation with universities and colleges to improve existing products, optimize production costs, enhance quality, and develop new products.
This combination of manufacturing and R&D capabilities supports customers looking for more than a simple spot chemical purchase.
Reliable Supply for Global Customers
A consistent supply is especially important for manufacturers using chemical intermediates in continuous production.
Guangxing has established cooperative relationships with domestic enterprises, while its products are exported to the European Union, America, Australia, Southeast Asia, Africa, and other markets.
The company also serves multinational enterprises including Baerlocher, Chemson, and Sun Ace as a Class A supplier.
For international buyers, this experience provides a foundation for evaluating Guangxing as a potential long-term supplier of 6-Amino-1,3-Dimethyluracil.
Packaging, Storage and Customized Supply
The standard packaging is 25 kg per bag, consisting of an inner polyethylene bag and an outer white woven bag. Customized packaging can be arranged according to customer requirements.
For storage, 6-Amino-1,3-Dimethyluracil should be kept in a cool, dry, and ventilated place, protected from direct sunlight and rain, and kept away from fire sources.
When requesting a quotation, buyers can provide the expected order quantity, application, required packaging, destination country, delivery schedule, and any additional technical requirements. This information allows the supplier to prepare a more suitable commercial and technical proposal.
Request a 6-Amino-1,3-Dimethyluracil Quotation
For companies sourcing 6-Amino-1,3-Dimethyluracil CAS 6642-31-5, supplier selection should consider product purity, manufacturing consistency, application experience, compliance, packaging, and long-term supply capability.
With ≥99.0% chromatographic purity, EU REACH registration, certified quality management systems, specialized uracil manufacturing experience, and established international supply channels, Guangxing Chemical provides a professional supply option for pharmaceutical, chemical synthesis, and calcium-zinc PVC stabilizer applications.
If you are looking for a 6-Amino-1,3-Dimethyluracil manufacturer or bulk supplier, contact Guangxing Chemical with your required quantity, application, purity specification, packaging requirements, and target delivery market.
Our sales and technical team can provide product specifications, quotation details, supply information, and relevant technical support based on your purchasing requirements.
Contact us today to request a quotation for 6-Amino-1,3-Dimethyluracil and discuss your bulk sourcing requirements with Guangxing Chemical.