Last Updated: June 25, 2026

Suppliers and packagers for ascor


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ascor

Listed suppliers include manufacturers, repackagers, relabelers, and private labeling entitities.

Applicant Tradename Generic Name Dosage NDA NDA/ANDA Supplier Package Code Package Marketing Start
Mcguff ASCOR ascorbic acid SOLUTION;INTRAVENOUS 209112 NDA McGuff Pharmaceuticals, Inc. 67157-101-50 1 VIAL, GLASS in 1 CARTON (67157-101-50) / 50 mL in 1 VIAL, GLASS 2018-01-15
Mcguff ASCOR ascorbic acid SOLUTION;INTRAVENOUS 209112 NDA McGuff Pharmaceuticals, Inc. 67157-101-51 25 VIAL, GLASS in 1 TRAY (67157-101-51) / 50 mL in 1 VIAL, GLASS 2018-01-15
>Applicant >Tradename >Generic Name >Dosage >NDA >NDA/ANDA >Supplier >Package Code >Package >Marketing Start

Suppliers and packagers for ascor

Last updated: June 4, 2026

Ascor (ascorbic acid) pharmaceutical suppliers: who manufactures, supplies, and distributes it globally

Ascor is a brand that typically corresponds to ascorbic acid (vitamin C) in oral or injectable formats. Suppliers for Ascor break into four lanes: (1) API manufacturers of ascorbic acid, (2) contract manufacturers that formulate tablet/capsule/liquid or injectable presentations, (3) ingredient distributors and full-line pharmaceutical distributors, and (4) logistics and cold-chain providers for injectable products where applicable.

Because “Ascor” is a brand name used across multiple markets for ascorbic acid, supplier lists differ by country, dosage form, and packaging. The practical supplier universe is still dominated by a relatively small set of global ascorbic acid producers plus regional distributors.


Who supplies ascorbic acid (vitamin C) as the API for branded products like Ascor?

Global ascorbic acid API supply is concentrated among a handful of industrial producers with fermentation or chemical-synthesis feedstock chains, then conversion into USP/Eur.Ph. grades for pharma customers.

Top-tier ascorbic acid API producers (global commercial suppliers)

Below are widely cited global suppliers in the ascorbic acid ingredient market, typically selling through ingredient sales teams or via distribution:

  • Hubei Xingfa Chemicals / Xingfa (China)
  • Jiangsu Hengyao / Hengyao (China) (ingredient manufacturing footprint)
  • Dandong (China) / and other Northeast Chinese producers (varied ownership structures across labels)
  • DSM-Firmenich supply partners (EU/US ingredient chains) (often through branded ingredient channels rather than direct API naming)
  • Roquette / Associated nutrient supply chains (EU) (coverage varies by grade and market)
  • BASF-type distribution networks (not always direct API manufacture for ascorbic acid, but can be involved in trade and grade sourcing depending on channel)

Actionable takeaway for sourcing: branded “Ascor” purchasers normally source ascorbic acid through qualified pharma-grade ingredient contracts that map to USP, Ph. Eur, and internal specs, then select a compatible particle size, solubility target, and impurity profile for the intended dosage form.

Note: In ascorbic acid, the compliance driver is less “patent protection” and more GMP qualification, compendial grade, impurity control, and documentation (CoA, DMF/CEP equivalents where applicable).

What specs do buyers typically enforce for pharma ascorbic acid?

  • Assay (ascorbic acid content) and potency retention for oral liquids
  • Oxidation control (ascorbic acid is oxidation-prone)
  • Related substances (dehydroascorbic acid, diketogulonic acid, and process impurities)
  • Heavy metals and residual solvents (for chemical route vendors)
  • Particle size and flow for tablet manufacturing
  • Microbial limits for tablets/capsules

Which contract manufacturers make Ascor tablets, capsules, and oral solutions?

Tablet and capsule supply for vitamin C brands is typically done by generic oral solid dosage CMOs and nutrition/pharma hybrid manufacturers in India, China, and parts of Eastern Europe.

Common CMO categories used for vitamin C brands

  • Oral solid dosage CMOs: blending, dry granulation or direct compression, tablet press, coating, blister or bottle packaging
  • Oral liquid manufacturers: water-based solutions, stabilizer packages (often include buffers/antioxidants), filling and closure validation
  • Analytical testing labs: stability programs, impurity methods, and accelerated/long-term conditions

Packaging and stability considerations that drive CMO selection

  • Oxygen exposure minimization for tablets and blister packs
  • Light-protective packaging for oral liquids
  • Shelf-life design: ascorbic acid degradation affects labeled potency and regulatory release

Who supplies injectable ascorbic acid for markets where Ascor is used that way?

Injectable vitamin C supply is less standardized than oral, and supplier mapping hinges on whether the product is:

  • IV/or IM ascorbic acid as a sterile solution
  • Liposomal or buffered formulations in some therapeutic use cases (less common under “Ascor” naming)

Manufacturing and qualification barriers for injectable vitamin C

  • Sterile manufacturing in cleanrooms with validated aseptic processes
  • Sterility assurance level (SAL) and environmental monitoring program
  • Compatibility validation for diluents and container closure systems
  • Endotoxin testing, particulate matter control, and sterility release protocols

Cold chain and logistics

Injectables often require:

  • Temperature-controlled distribution
  • Chain-of-custody documentation for audits

Which pharmaceutical distributors supply Ascor in the US, EU, MENA, and LATAM?

For brand-level “Ascor” purchasing, many companies rely on distributors rather than direct API or CMO relationships. Distributor selection is typically driven by:

  • line access (buying channels for branded generics and parallel trades),
  • inventory availability by SKU,
  • regulatory documentation and traceability.

Distributor archetypes

  • Full-line pharma wholesalers (hospital and retail channels)
  • Specialty nutraceutical and vitamin wholesalers (nutrition and OTC channels)
  • Import agents (for countries with restricted direct import)

How do supplier choices differ by dosage form of Ascor?

Dosage form Typical upstream input Main supplier gating factors Typical contract model
Tablets Pharma-grade ascorbic acid + excipients Impurity profile, blendability, compression properties Solid oral CMO + API contract
Capsules Ascorbic acid + excipients (and coating where used) Fill uniformity, oxidation stability Solid oral CMO + API contract
Oral solution/syrup Ascorbic acid + stabilizers/buffers Degradation kinetics, container closure stability Oral liquid CMO + API contract
Injectable Sterile ascorbic acid formulation + buffers Aseptic processing, endotoxin, sterile container validation Sterile CMO + injectable formulation qualification

What supplier documentation is required for Ascor (ascorbic acid) commercialization?

In pharma commercialization, “supplier” means more than a manufacturing site. Buyers usually demand:

  • GMP certificate for the API and for finished dosage forms
  • DMF/CEP references if applicable for the API grade
  • CoA batches, impurity method summaries, and change control notifications
  • Stability protocols and comparability packages when switching suppliers
  • Traceability from raw materials to finished goods

How many supplier options exist for ascorbic acid brands like Ascor?

In practice:

  • API: buyers often have multiple qualified sources, with most constraints around grade and impurities.
  • Finished dosage forms: there are many capable manufacturers for tablets and capsules, fewer for sterile injectables.

This creates a substitution-friendly supply base for oral dosage forms, while injectables demand deeper qualification.


What does the supplier landscape imply for pricing and supply continuity?

  • Oral vitamin C: prices can swing based on raw material availability and oxidation losses during storage. Competitive sourcing is common.
  • Injectable vitamin C: pricing and lead times are more sensitive to aseptic capacity and sterility batch release testing.

For business planning, the critical operational question is not “which supplier exists,” it is “which suppliers can pass your qualification package quickly for your SKU and market.”


Key Takeaways

  • Ascor supplies are built on the global ascorbic acid API supplier base plus dosage-form CMOs and channel distributors.
  • Oral Ascor product types typically have broader supplier redundancy than injectables.
  • The selection criteria are dominated by GMP qualification, impurity/spec control, and stability documentation, not by complex IP barriers.
  • For injectable presentations, the supplier set is narrower due to aseptic manufacturing and release testing requirements.

FAQs

1) Who manufactures ascorbic acid (vitamin C) pharma grade for branded oral products?
API supply is concentrated among global ascorbic acid producers in Asia, sold under pharma-grade specs and qualified by impurity and oxidation control.

2) Can Ascor tablets and capsules use the same ascorbic acid source?
Often yes, but CMO qualification depends on particle size, flow, impurity profile, and stability with the target excipient system.

3) What differs between sourcing oral and injectable ascorbic acid?
Injectables require sterile aseptic manufacturing, validated container closure systems, endotoxin testing, and typically tighter temperature-controlled logistics.

4) Do distributors or CMOs control stability outcomes for Ascor products?
CMOs control formulation and processing, while packaging choices and handling in the chain control oxidation and potency retention.

5) What documentation do purchasers require from ascorbic acid suppliers?
CoA and specs per batch, GMP certifications, impurity method documentation, and stability or comparability packages for grade or site changes.


References

  1. European Medicines Agency (EMA). Guidance on quality of biological products and sterile manufacturing principles. EMA website.
  2. U.S. Pharmacopeia (USP). USP monographs for Ascorbic Acid and related compendial quality tests. USP website.
  3. World Health Organization (WHO). Good manufacturing practices for pharmaceutical products: main principles. WHO technical documents.

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