99% Rapamycin API Of GMP Manufacturer

Why Import Rapamycin API From Us?

#1. GMP Approved: 

Our manufacturing line is certified Chinese National Medical Products Administration.

Email us for our GMP certificate if you need it.

#2. Low MOQ:

We know it is not a cheap product, but we are willing to accept orders starting with small quantities, such as 10G.

We will do everything to meet the needs of our customers, no matter you are running a pharmacy, or you may need it for research.

#3. Short lead time:

Though repacking APIs from GMP factories has to follow strict procedures, we have managed to send out the goods to our customers within 3~4 days after order confirmation.

Looking For Rapamycin Manufacturer In China?
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Rapamycin Specifications

Rapamycin chemical structure
Sirolimus Chemical Structure


Rapamycin, also known as sirolimus, is an off-white to yellowish powder mainly used as an immunosuppressant agent.

It is practically insoluble in water but easily soluble in DMSO and soluble in ethanol.

Its solubility in DMSO can reach 200mg/ml and 50mg/ml in ethanol.

Product Name: Rapamycin (Sirolimus)

Appearance: A white powder

Cas Number: 53123-88-9

Molecular Formula: C51H79NO13

Molecular Weight: 914.2 g/mol

Chemical Name: (1R,9S,12S,15R,16E,18R,19R,21R,23S,24E,26E,28E,30S,32S,35R)-1,18-dihydroxy-12-[(2R)-1-[(1S,3R,4R)-4-hydroxy-3-methoxycyclohexyl]propan-2-yl]-19,30-dimethoxy-15,17,21,23,29,35-hexamethyl-11,36-dioxa-4-azatricyclo[,9]hexatriaconta-16,24,26,28-tetraene-2,3,10,14,20-pentone

HS Code: 2941909099 (other antibiotics-其它抗菌素)

Suitability to be shipped by air as common goods: suitable. It is safe to be shipped by air as common goods.

Grade: Pharma-Grade

Purity or Assay: 99%

Standards: Current USP Standards

Certificates available: GMP

Documents Available: COA/MSDS

Supply Capability: 5000+ G per month

MOQ: 10G

Price Ideas In 2023: 150USD/G for 10G (Contact us by WhatsApp for more updated prices)

Lead Time: 3~5 days for quantities less than 1KG, 3~4 days for orders less than 100 G.

Stock Status: Over 1KG

Shipping Temperature: Room temperature

Storage: 2~8 °C

Technical Data:

Loss on drying: NMT0.5%

Related substances: Single impurity: NMT1.0%, Total impurities: NMT2.0%, Sirolimus Cis-stereoisomer :NMT5.0%

Residual solvents: Ethanol: NMT5000ppm, Ethyl acetate: NMT5000ppm, Petroleum Ether: NMT1000ppm, Acetone: NMT5000ppm

Assay: 98.0%~102.0%

Why You Select Us As Your Rapamycin Supplier

If you are looking for rapamycin or sirolimus API for pharmacy compounding or medicine manufacturing, or you need it for laboratory research, please try our rapamycin for a change. Though we don’t have free samples for it, we can start with a trial order of 1 G.

The reasons why you should work with us are below:

#1. OCTAGONCHEM is the rapamycin manufacturer that supplies 99% rapamycin API with GMP/DMF, it is strictly produced in a GMP-approved workshop certified by the Chinese FDA, and it means our rapamycin API is suitable for medicine manufacturing and pharmacy compoundings.

#2. OCTAGONCHEM is a rapamycin supplier that has exported it to several countries such as Thailand, Malaysia, Ecuador, Colombia, etc. Though our exported quantity is not big due to its small demand globally, we managed to export it nicely without any quality complaints so far.

#3. With our optimized production process from our unrelenting pursuit of optimal technique, we kept our yields as high as possible to keep our costs down. We have kept our single impurity below 0.2% and the total impurities less than 0.5%.

Please give us a chance to work with you and we won’t blow it, we promise!

Manufacturer Documents Download


MOA (Contact Us Directly)


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