Molekula
Papain
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Papain is a cysteine protease enzyme derived from papaya fruit, widely used in food processing, pharmaceuticals, and leather production for its protein-digesting properties. It accelerates meat tenderization, clarifies beverages, and aids in biochemical research. This product has a CAS number of 9001-73-4 and the molecular formula C9H14N4O3. Store at 2 to 8°C under dry conditions, as it carries a "Danger" signal word for its potential hazards. Molekula supplies Papain from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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100 g — £133.90 per pack ex VAT · £160.68 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White to light yellow powder |
| Water | <8% |
| Activity | 6u/g |
| Lead (Pb) | <5mg/kg |
| Arsenic (As) | <3mg/kg |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 30406639 |
| CAS Number | 9001-73-4 |
| Molecular Formula | C9H14N4O3 |
| SMILES | C1=C(NC=N1)CC(C(=O)O)NC(=O)CCN |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 3507.10.0000 |
| Tariff Code | 3507909090 |
Safety & GHS
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
- H335 May cause respiratory irritation
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is papain primarily used for?
Papain is commonly used as a meat tenderizer, in baking as a dough conditioner, and in pharmaceuticals, detergents, and cosmetics for its proteolytic enzyme activity.
What is the molecular formula and molecular weight of papain?
The molecular formula of papain is **C9H14N4O3**, and its approximate molecular weight is **23,400 g/mol** (as it is a protein, not a small molecule).
How should papain be stored?
Papain should be stored at **2 to 8°C** to maintain stability and activity. Avoid freezing unless specified by the product documentation.
What grades of papain does Molekula supply?
Molekula supplies papain in **food-grade and industrial-grade** forms; please confirm your specific application for the most suitable grade.
Can Molekula supply papain in bulk quantities?
Yes, Molekula can supply papain in bulk, with quantities tailored to your requirements—contact us for pricing and availability.
What documentation comes with a papain order?
Each papain order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.