INNORINI PTE. LTD. · UEN 202015523ZHSA-licensed therapeutic products wholesalersales@innorini.com.sg
On this page (8 sections)
  1. What counts as compounding?
  2. When can you compound without a manufacturer’s licence?
  3. Can compounded products go to another institution?
  4. How does outsourced compounding work?
  5. Can pharmacies supply ships or aircraft?
  6. Compounding, SAR or registration: which fits?
  7. How can Innorini help?
  8. Frequently asked questions
In short

INNORINI PTE. LTD. (UEN 202015523Z) explains how compounding of therapeutic products is regulated in Singapore. HSA expects hospitals, medical clinics and retail pharmacies to compound only when no commercially available registered product exists. They may then compound without a manufacturer’s licence at their own licensed premises, under a qualified practitioner or pharmacist. If a hospital or clinic outsources compounding, the third party must be an HSA-licensed manufacturer working at its approved premises under a contract.

At a glance

Who may compoundLicensed hospitals, medical clinics and retail pharmacies
Only whenNo commercially available registered product exists
OutsourcingTo an HSA-licensed manufacturer, under a contract
Sterile productsOnly in documented clean-room settings

What counts as compounding?

HSA describes compounding of therapeutic products as activities such as formulating, mixing, assembling or repacking therapeutic products. It is meant for patients whose needs no commercially available product meets, for example a different strength, a liquid instead of a tablet, or a version without an ingredient the patient cannot take.

Not compounding

Diluting or reconstituting a therapeutic product according to the directions for use on its label is not a compounding activity, according to HSA.

When can you compound without a manufacturer’s licence?

Licensed hospitals, medical clinics and retail pharmacies may compound without holding a manufacturer’s licence only when every one of these conditions is met.

AvailabilityThe final compounded product is not commercially available in Singapore.
PremisesCompounding takes place at the licensed institution or retail pharmacy.
SupervisionIt is done by, or under the supervision of, a qualified practitioner or pharmacist practising there.
Expiry dateEach product carries an appropriate expiry date, set by a specified publication or supported by a stability study.
PrescriptionProducts containing a prescription-only medicine for a patient’s use need a valid prescription or a qualified practitioner’s written instructions. Repacking purely for dispensing is exempt.
RecordsWhere such a product is compounded for regular clinical use, the practitioner’s written instructions are documented and kept for at least two years.
Sterile products

Sterile therapeutic products must be compounded in a practice setting within the licensed institution or pharmacy where standards for clean rooms and sterile preparation are in place and properly documented.

Can compounded products go to another institution?

Hospitals and medical clinics may transfer compounded products to another licensed healthcare institution, as long as the preparations are not commercially available. No wholesaler’s licence is needed for this transfer. The institution that compounded the product must keep records of receipt and supply, and show them to HSA on request.

Medical clinics need HSA’s prior approval before transferring. The request includes:

  • the name, designation and CV of the pharmacist responsible for compounding
  • a list of the compounded products, with active ingredients, final form or packaging, and expiry dates
  • for sterile products, a description of the practice setting, clean rooms, equipment and quality standards

How does outsourced compounding work?

Hospitals and medical clinics can outsource compounding to a third party. HSA sets the conditions, and the steps below follow them in order.

1

Confirm compounding is needed

Check that no commercially available registered product meets the patient’s need. If a finished product exists overseas, the Special Access Route may fit better.

2

Choose an HSA-licensed manufacturer

The third party must hold a manufacturer’s licence issued by HSA. A pharmacy or laboratory without one cannot take on outsourced compounding.

3

Sign a contract

A contractual agreement between the hospital or medical clinic and the licensed manufacturer must be in place.

4

Send the composition and written instructions

Compounding follows the chemical composition and written instructions of a qualified practitioner at the hospital or clinic. Repacking purely for dispensing is exempt.

5

Compounding at the approved premises

The manufacturer compounds only at the premises approved under its licence, and under the conditions that licence sets.

Can pharmacies supply ships or aircraft?

Yes, in limited cases. A licensed retail pharmacy may compound a product to treat people on board a ship or aircraft only if the product is not commercially available, is required on board under Singapore’s merchant shipping medical-stores rules or the Air Navigation Order, and is compounded under the terms of the pharmacy’s licence.

Compounding, SAR or registration: which fits?

The right route depends on whether a suitable product already exists, and where.

Compounding

Best when: no commercially available product meets a patient’s need, so a preparation has to be made.

Who: the licensed hospital, clinic or pharmacy, or an HSA-licensed manufacturer under contract.

See HSA’s conditions →

Special Access Route (SAR)

Best when: a finished product exists overseas but is not registered in Singapore, for named patients or hospital buffer stock.

Who: a licensed healthcare institution, or a company applying on its behalf. HSA’s target is 14 working days.

How SAR works →

Product registration

Best when: you want to supply a product commercially in Singapore.

Who: the Singapore registrant. HSA evaluates through the full, abridged or verification route.

HSA registration →

Not sure which applies?

Send us the product, its strength and dosage form, and the patient need. Our regulatory team will tell you which route fits.

Request a feasibility review →

How can Innorini help?

Innorini Pte Ltd is an HSA-licensed therapeutic products wholesaler with a regulatory affairs team. When a compounding question comes up, we can:

  • check the product’s registration status on HSA’s register before you decide to compound
  • explain which of HSA’s conditions apply to your institution
  • support a SAR application where a finished product exists overseas
  • advise on product registration where commercial supply is the goal

This page summarises HSA’s published rules. It is not legal advice, and HSA’s current guidance always takes precedence.

Frequently asked questions

Is diluting or reconstituting a medicine compounding?
No. HSA does not treat dilution or reconstitution as compounding when it follows the directions for use on the product’s label.
Can a clinic compound a medicine that is already sold in Singapore?
No. HSA expects compounding only when no commercially available registered product is available, and the final compounded product must not be commercially available in Singapore.
Can a hospital or clinic outsource compounding to any pharmacy or laboratory?
No. The third party must be a manufacturer licensed by HSA, compounding at its approved premises under the conditions of its licence, with a contract in place between the hospital or clinic and the manufacturer.
Does a clinic need a wholesaler’s licence to transfer compounded products to another clinic?
No. Hospitals and medical clinics do not need a wholesaler’s licence for this transfer. A medical clinic needs HSA’s prior approval first, and the compounding institution must keep records of receipt and supply.
How long must compounding instructions be kept?
For prescription-only products compounded for regular clinical use, the practitioner’s written instructions must be documented and kept for at least two years.
Last reviewed: 4 October 2026 · Reviewed by the Innorini regulatory team · Based on HSA’s Compounding of therapeutic products guidance, last updated 13 March 2026. Verify current requirements at hsa.gov.sg.

Have a compounding question?

Tell us what your institution needs, and we will tell you which regulatory route applies.

Request a feasibility review