Your Professional Chemical Intermediate Supplier
TNJONE is a professional manufacturer of pharmaceutical raw materials, APIs, peptides, and intermediates with over 10 years of industry experience. We operate a GMP-compliant factory in Shaanxi, China, serving pharmaceutical, research, and healthcare applications.
Strict Quality Control
Professional QA and QC teams ensure stable purity, reliable performance, and full production traceability.
Custom Manufacturing
Advanced production and testing equipment support flexible OEM/ODM solutions for different product requirements.
Reliable Supply & Delivery
Efficient production management and professional logistics help ensure stable supply and safe global transportation.
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4-Biphenylylmethyl Acrylate Powder CAS 54140-58-85-Product Name: 4-Biphenylylmethyl Acrylate Powder CAS Number: 54140-58-8 Molecular Weight: Approx. 238.28 g/mol Appearance: White to off-white crystalline powder Purity (HPLC): ≥ 98.0% (customizable)
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4-phenylbenzaldehyde Powder CAS 3218-36-8Product Name:4-Phenylbenzaldehyde Powder Chemical Name:4-Phenylbenzaldehyde CAS Number:3218-36-8 Molecular Formula:C₁₃H₁₀O Molecular Weight:182.22 g/mol Appearance:White to off-white crystalline
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5,5'-oxybis(isobenzofuran-1,3-dione) Powder CAS 1823-59-2Product Name: ODPA PowderCAS Number: 1823-59-2 Molecular Formula: C16H6O7 Molecular Weight: 310.21 g/mol Appearance: White to off-white crystalline powder Purity (HPLC): ≥ 99.0%
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2,2-Bis(3-(3-aminobenzoylamino)-4-hydroxyphenyl)hexafluoropropane (6FDAP / HFHA) Powder...Product Name: 2,2-Bis(3-amino-4-hydroxyphenyl)hexafluoropropane Synonyms 6FDAP; HFHA PowderCAS Number: 220426-92-6 Molecular Formula: C₁₅H₁₀F₆N₂O₂ Appearance: Off-white to light yellow crystalline
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4,4'-(Hexafluoroisopropylidene)diphthalic Anhydride Powder CAS 1107-00-2CAS: 1107-00-2Appearance: White crystalline powder or fine granules.Specification: ≥99.0% (by GC or HPLC)Molecular Formula: C₁₇H₆F₆O₆Molecular Weight: 444.22 g/molShelf Life: 24 months(Proper
Specification
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Chemical name |
4,4'-(Hexafluoroisopropylidene)diphthalic anhydride |
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Common abbreviation |
6FDA |
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Molecular formula |
C₁₉H₆F₆O₆ |
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Molecular weight |
~444.24 g/mol |
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CAS number |
1107-00-2 |
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Appearance |
White crystalline powder |
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Odor |
Odorless |
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Melting point |
~238–242 °C |
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Solubility |
Soluble in polar aprotic solvents (e.g., DMF, DMAc, NMP, DMSO) Insoluble or poorly soluble in water and nonpolar solvents |
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Stability |
Stable under dry, inert conditions; sensitive to moisture due to anhydride functionality |
Advantages of Chemical Intermediate
Building Blocks for APIs
Active pharmaceutical ingredients (APIs) are the core components responsible for the therapeutic effects of drugs. However, APIs cannot be produced directly. Instead, they are synthesized through a series of chemical reactions that require specific intermediates to build the molecular framework of the final drug.
Customizable Synthesis Routes
The pharmaceutical industry often requires tailored synthesis routes to create specific molecular structures for new medications. Chemical intermediates provide flexibility in the synthesis process, allowing pharmaceutical manufacturers to fine-tune reactions and optimize pathways to produce high-purity APIs.
Ensuring Drug Purity and Efficacy
The quality of chemical intermediates has a direct impact on the purity and efficacy of the final pharmaceutical product. Impurities in intermediates can lead to unwanted side effects, reduced potency, or even drug recalls, which can be costly and damaging to a company’s reputation.
Cost-Effective Production
In addition to their importance in drug efficacy and safety, chemical intermediates also play a significant role in controlling manufacturing costs. Pharmaceutical production is expensive due to the complexity of chemical reactions, the need for high-purity materials, and compliance with stringent regulatory standards.
Applications of Chemical Intermediate

Antibiotics
Many antibiotics, including penicillins and cephalosporins, are produced using specific chemical intermediates that are crucial for constructing the beta-lactam ring, the core structure of these drugs.
Anticancer Drugs
Chemotherapy medications require the careful assembly of complex molecular structures. Intermediates allow for the precision needed to synthesize cytotoxic agents that target cancer cells effectively.
Cardiovascular Drugs
Drugs that regulate blood pressure, cholesterol, or heart function often rely on intermediates to ensure precise therapeutic properties and to maintain high levels of efficacy.
Antiviral and Antiretroviral Drugs
Intermediates are essential in the synthesis of drugs that target viral infections such as HIV, Hepatitis, or influenza, helping to develop effective treatments for viral diseases.
Synthesis Methods for Chemical Intermediate
Addition reactions
Reactions where two or more substances chemically react to form a compound with a higher molecular weight. For example, the reaction between ethylene and hydrogen to produce acetylene involves an addition reaction.
Elimination reactions
Reactions where a compound decomposes into two or more smaller compounds. For example, the reaction between acetylene and hydrogen to produce ethanol involves an elimination reaction.
Substitution reactions
Reactions where an atom or group is replaced by another atom or group. For example, the reaction between hydrochloric acid and ethanol to produce vinyl chloride involves a substitution reaction where a chlorine atom replaces a hydrogen atom in ethanol.
Rearrangement reactions
Reactions where atoms or groups within a molecule undergo positional changes. For example, aromatic ring rearrangements can occur in benzene, leading to the formation of new compounds.
Precautions for the Storage of Chemical Intermediates

Temperature:
Store in a cool, dry, and adequately ventilated area away from direct sunlight and heat sources.

Ventilation:
Use designated, ventilated storage cabinets to manage volatile, toxic, or malodorous chemical vapors.

Closed & Sealed:
Keep all containers tightly closed to prevent evaporation, vapor accumulation, and leakage if tipped.
Ordering Process
Inquiry
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Quotation
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Communication
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Order confirming
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Deposit payment
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Production
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Testing and debugging
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Balance payment
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Packing
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Delivery
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Customer receiving
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After service
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Packaging and Shipping
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Packaging |
Vacuum-sealed vials (1 mg, 5 mg, 10 mg, 100 mg, 1 g) or bulk quantities |
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Shipping |
We commonly use international express services such as DHL, FedEx, and UPS. |
FAQ
As one of the most professional chemical intermediate manufacturers and suppliers in China, we also support customized service. Please feel free to buy bulk high quality chemical intermediate in stock here from our factory. For price consultation, contact us.
ODPA Powder, 4 Biphenylylmethyl Acrylate Powder CAS 54140 58 8, 3218-36-8

