Curated Product Panorama & Custom Services

Explore Hongtai Chemistry's master portfolio encompassing advanced building blocks, specialty catalysts, separation media, active pharmaceutical ingredients, frontline consumables, and custom synthesis solutions.

1. Building Blocks 2. Catalysts 3. Separation Media 4. APIs & Excipients 5. Consumables 6. Custom Services

1. Advanced Building Blocks & Intermediates

Flagship Star
Diethyl Malonate

Diethyl Malonate

CAS: 105-53-3 • Purity: ≥ 99.5% • Package: 200kg Drum

Fine chemical precursor deployed for synthesizing high-grade pharmaceuticals, heterocyclic compounds, and vitamin derivatives.

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Moisture (KF): ≤ 0.05%
Acidity: ≤ 0.02%
Lead Time: In Stock

Small Molecule Drug Series (CS944X, CS3158, CS410)

Pipeline / Discovery Scale

Advanced custom intermediates and preclinical small molecule candidates for drug discovery and development.

Purity: ≥ 98.0% (HPLC)
Package: mg to kg Scale

ASK1 Inhibitors (Advanced Intermediates)

Targeted Inhibitors

Specialized chemical building blocks geared towards apoptosis signal-regulating kinase 1 targeted research.

Purity: ≥ 98.5%
Package: Custom Pack

Dimethyl Malonate

CAS: 108-59-8
Purity: ≥ 99.5%
Package: 200kg Drum

Dimethyl Methylmalonate

CAS: 609-02-9
Purity: ≥ 99.0%
Package: 200kg Drum

Diethyl Methylmalonate

CAS: 609-03-5
Purity: ≥ 99.0%
Package: 200kg Drum

4,6-Dihydroxypyrimidine

CAS: 119-41-5
Purity: ≥ 99.0%
Package: 25kg Drum

6-Amino-1,3-dimethyluracil

CAS: 6642-31-5
Purity: ≥ 98.5%
Package: 25kg Bag

Triethyl Orthoformate

CAS: 122-51-0
Purity: ≥ 99.0%
Package: 180kg Drum

6-Amino-1,3-dimethyl-5-isonitrosouracil

CAS: 39946-13-5

High-barrier antiviral/targeted intermediate involving complex nitrosation and cyclization processes.

Purity: ≥ 98.0%
Package: 25kg Drum

2. Specialty Catalysts & Synthesis Reagents

DBU (1,8-Diazabicyclo[5.4.0]undec-7-ene)

CAS: 6674-22-2

Organic strong base / specialty catalyst used in anhydrous systems, complex coupling, and deacidification reactions.

Purity: ≥ 99.0%
Package: 200kg Drum

DBN (1,5-Diazabicyclo[4.3.0]non-5-ene)

CAS: 3001-72-7

Strong amidine base catalyst applied in specialized organic synthesis and elimination reactions.

Purity: ≥ 98.5%
Package: 200kg Drum

1,1,3,3-Tetramethylguanidine (TMG)

CAS: 80-70-6

Strongly basic organic catalyst utilized as an efficient synthesis auxiliary in fine chemical production.

Purity: ≥ 99.0%
Package: 190kg Drum

3. Separation Media & Catalyst Carriers

Flash Chromatography Silica Gel

CAS: 112926-00-8 • Mesh: 230–400

High-efficiency separation media and adsorbent for laboratory/preparative purification and column chromatography.

Surface Area: 300-550 m²/g
Package: 25kg Bag

Macro-pored Micro-spherical Silica Gel

CAS: 7631-86-9 • Carrier Grade

Specialized micro-spherical silica carrier widely applied in petrochemical and fine chemical catalytic systems.

Pore Size: 8.0-12.0 nm
Package: 20kg Bag

4. Specialty APIs & Excipients (APIs)

Chidamide

Innovative Anti-tumor API

Epigenetic regulator and selective HDAC inhibitor deployed as an advanced active pharmaceutical ingredient.

Purity: ≥ 99.0% (HPLC)
Package: Custom / GMP Grade

Chiglitazar

PPAR Agonist API

Novel small molecule PPAR pan-agonist acting as a specialized metabolic disease active pharmaceutical ingredient.

Purity: ≥ 99.0%
Package: Custom Grade

D-Cloprostenol Sodium / Cloprostenol Sodium

Prostaglandin API

High-potency prostaglandin F2α analogue API utilized in specialized human and veterinary applications.

Standard: USP / Vet Grade
Package: 1g / 100g Vial

Vitamin C Phosphate, Calcium & Sodium Salts + Coated Granules

Vitamin Derivative / Excipient

Stabilized vitamin C derivatives, mineral salts, and functional coated granules for pharmaceutical & nutritional formulation.

Grade: Pharma / Food Grade
Package: 25kg Drum

Caffeine

CAS: 58-08-2 • API Grade

Core active pharmaceutical ingredient with central nervous system stimulant properties.

Standard: USP / BP / EP
Package: 25kg Drum

Theophylline / Aminophylline

CAS: 58-55-9 / 317-34-0

Bronchodilator API utilized for treating respiratory conditions like chronic asthma and COPD.

Standard: USP / EP
Package: 25kg Drum

Calcium Polycarbophil

CAS: 9003-97-8 • Excipient

High-molecular-weight polymer acting as an advanced oral sustained-release pharmaceutical excipient.

Grade: Pharm Grade
Package: 25kg Drum

Rabeprazole Sodium

CAS: 117976-90-6 • API

Proton pump inhibitor (PPI) used for treating gastric ulcers, duodenal ulcers, and GERD.

Purity: ≥ 99.0%
Package: 5kg / 25kg

Meloxicam

CAS: 71125-38-7 • API

Nonsteroidal anti-inflammatory drug (NSAID) acting as a potent analgesic and anti-arthritic agent.

Standard: USP / EP
Package: 25kg Drum

Sublimed Salicylic Acid

CAS: 69-72-7

Pharmaceutical-grade keratolytic agent used in topical dermatological formulations and API synthesis.

Purity: ≥ 99.5%
Package: 25kg Bag

5. Clinical & Life Science Consumables

IVD Consumable
Cell-Free DNA Storage Tube

Cell-Free DNA Storage Tube (CW2816M)

Cat. No.: CW2816M • Spec: 10 mL • ISO 13485

Direct-draw whole blood collection tube for non-invasive prenatal testing (NIPT) and early tumor screening. Prevents hemolysis and preserves cfDNA for up to 14 days at room temperature.

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6. Custom Synthesis & Sourcing Services

Custom Synthesis (mg to kg)

R&D to Pilot Scale

Custom route scouting, multi-step organic synthesis, impurity isolation, and comprehensive analytical method validation.

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Contract Manufacturing (CMO)

Pilot to Commercial

Reliable scale-up production from grams to metric tons in cGMP-compliant facilities with strict IP protection.

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Global Sourcing & Consolidation

Strategic Partner

Sourcing rare chemical building blocks across China's audited manufacturing network with rigorous QA/QC inspection.

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