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USP Sildenafil Citrate

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USP Sildenafil Citrate

Sildenafil Citrate Manufacturers

Silverline Chemicals produces USP Sildenafil Citrate as a focused Sildenafil Citrate Manufacturers with the process discipline, quality infrastructure, and documentation standards that pharmaceutical buyers in regulated markets actually require, not just the ones that look acceptable on an initial supplier assessment. Some active pharmaceutical ingredients sit at the centre of highly scrutinised supply chains not because they are difficult to make in a basic sense, but because the regulatory expectations around them, the purity thresholds required for safe formulation, and the documentation burden placed on buyers leave very little room for a supplier who is not genuinely on top of their process.

It is one of those compounds. It is not obscure, but it is exacting. Pharmaceutical manufacturers formulating with it are working within tightly defined, validated processes, and the API they put into those processes needs to perform the same way every single time. A drift in purity, an incomplete impurity profile, or a batch that arrives without pharmacopoeial documentation does not just create a procurement headache; it can halt a production run or trigger a regulatory non-conformance that takes considerably longer to resolve than the original problem.

Parameter

Details

Chemical Name

Sildenafil Citrate

Molecular Formula

C₂₈H₃₈N₆O₁₁S

Molecular Weight

666.70 g/mol

CAS Number

171599-83-0

Appearance

White to off-white crystalline powder

Purity

99% minimum (USP grade)

Solubility

Slightly soluble in water

Grade

USP Pharmaceutical Grade

Packaging

1 kg, 5 kg, 25 kg / moisture-sealed, light-protective packaging

USP Sildenafil Citrate Manufacturers in India 

The USP designation on this compound is not a label; it is a set of documented, demonstrable requirements covering related substances, residual solvents, heavy metal limits, and assay performance that need to hold up under regulatory scrutiny, not just look right on a datasheet.

When pharmaceutical companies evaluate Sildenafil Citrate Manufacturers in India, the real conversation is about what the analytical data behind the CoA actually shows, whether the facility carries valid GMP clearance, and whether the supplier can respond with technical depth when a formulation team raises questions about impurity profiles or polymorphic form.

Every batch at Silverline Chemicals is tested against full pharmacopoeial specifications, purity, related substances, residual solvents, loss on drying, and physical characteristics before release. CoA, MSDS, and regulatory compliance documentation ship with every order as standard. Packaging is done under light-protective, moisture-controlled conditions to preserve compound stability from our facility to your production floor.

Looking for Sildenafil Citrate Suppliers in India?

The buyer profile for USP Sildenafil Citrate is specific; these are pharmaceutical manufacturers, contract development and manufacturing organisations, and generic drug developers who are operating inside validated systems and cannot introduce variability at the API sourcing stage.

What this buyer base consistently needs is a supplier who understands that consistency is not just about matching a specification number. It is about the process behind that number being stable and documented, so that when they run their own incoming quality checks, the results align, and when their regulatory authority asks about the API source, the answer is one they can stand behind.

As established Sildenafil Citrate Suppliers in India, we supply to both large-scale commercial manufacturers and smaller CDMO operations running development or clinical batches. The documentation standard, the testing rigour, and the technical support available do not scale down with order size. A clinical trial quantity gets the same analytical depth and compliance documentation as a full commercial API order because the regulatory requirement on the buyer's end does not change based on volume.

Functional Areas: 

  • Oral tablets and film-coated formulations for erectile dysfunction across branded and generic product lines.

  • Pulmonary arterial hypertension treatment formulations for adult and paediatric patients.

  • Orodispersible and sublingual tablets for faster therapeutic onset.

  • Soft gel capsules and oral suspensions for patient-specific compliance needs.

  • Generic drug development targeting the US FDA, EMA, and TGA-regulated markets.

  • CDMO and contract manufacturing under third-party licensing arrangements.

  • Clinical trial supply for investigational formulations under controlled study conditions.

  • Pharmaceutical method development and analytical reference standard applications.

USP Sildenafil Citrate Exporters in India

Exporting a USP-grade API is not the same as shipping a general chemical. The importing country's regulatory authority expects documented GMP status, a complete Drug Master File, and full batch traceability, and a gap in any one of those does not just slow down customs clearance; it can put the buyer's own product registration at risk.

As experienced Sildenafil Citrate Exporters in India, every consignment leaves with a complete export package  CoA, MSDS, commercial invoice, packing list, and destination-specific regulatory papers prepared and verified before the shipment moves. GMP documentation and facility information needed for dossier submissions are made available on request. Have a requirement to discuss? Reach out directly, the conversation will be technical, transparent, and straight to the point.

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