Molekula
5-Hydroxynicotinic acid
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
5-Hydroxynicotinic acid is a pyridine derivative with a hydroxyl group and carboxylic acid functionality, primarily used as a building block in organic synthesis, pharmaceutical intermediates, and agrochemical research. It serves as a precursor for vitamin B3 derivatives and other biologically active compounds. This chemical has a CAS number of 27828-71-3, a molecular formula of C5H3N(OH)COOH, and a molecular weight of 139.11. It is stored at ambient conditions and carries a signal word of "Warning" under safety regulations. Molekula supplies 5-Hydroxynicotinic acid 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
In stock — same-day dispatch
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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1 g — £30.90 per pack ex VAT · £37.08 inc. VAT
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25 g — £54.50 per pack ex VAT · £65.40 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 | Solid |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 51998761 |
| CAS Number | 27828-71-3 |
| IUPAC Name | 5-hydroxypyridine-3-carboxylic acid |
| Molecular Formula | C5H3N(OH)COOH |
| Molecular Weight | 139.11 |
| Exact Mass | 139.0269 |
| SMILES | C1=C(C=NC=C1O)C(=O)O |
| InChIKey | ATTDCVLRGFEHEO-UHFFFAOYSA-N |
| InChI | InChI=1S/C6H5NO3/c8-5-1-4(6(9)10)2-7-3-5/h1-3,8H,(H,9,10) |
| PubChem CID | 34037 |
| REACH Code | Y113 |
| HTS Code | 2933.39.9200 |
| Tariff Code | 2933399999 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing 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
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- 3-HYDROXY-5-PYRIDINECARBOXYLIC ACID
- 3-Hydroxypyridine-5-carboxylic acid
- 3-Pyridinecarboxylic acid, 5-hydroxy-
- 5-Hydroxy-3-pyridinecarboxylic acid
- 5-hydroxypyridine-3-carboxylic acid
- 5HN
- ATTDCVLRGFEHEO
- NICOTINIC ACID, 5-HYDROXY-
- Oprea1_058796
Frequently asked questions
What is 5-Hydroxynicotinic acid commonly used for?
5-Hydroxynicotinic acid is primarily used as a building block in organic synthesis, including the preparation of pharmaceutical intermediates, agrochemicals, and specialty chemicals.
What is the chemical formula and molecular weight of 5-Hydroxynicotinic acid?
The chemical formula is **C₅H₃N(OH)COOH**, and the molecular weight is **139.11 g/mol**.
How should 5-Hydroxynicotinic acid be stored?
Store at **ambient temperature** in a cool, dry place, away from incompatible substances. Avoid exposure to moisture.
What grades or purities of 5-Hydroxynicotinic acid does Molekula supply?
Molekula supplies **high-purity (98%+)** 5-Hydroxynicotinic acid suitable for research and industrial applications.
Can Molekula supply 5-Hydroxynicotinic acid in bulk quantities?
Yes, we offer bulk quantities of 5-Hydroxynicotinic acid—please contact us for pricing and availability.
What documentation comes with an order of 5-Hydroxynicotinic acid?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet.
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.