Molekula
Captopril
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
Captopril is an angiotensin-converting enzyme (ACE) inhibitor primarily used as an antihypertensive medication to treat high blood pressure and heart failure. It is also prescribed for diabetic nephropathy and post-myocardial infarction recovery. This white to off-white crystalline powder has a CAS number of 62571-86-2, molecular formula C9H15NO3S, and a molecular weight of 217.29. It should be stored at ambient conditions and handled with caution, as it carries a signal word of Danger. Molekula supplies Captopril 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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1 g — £30.90 per pack ex VAT · £37.08 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 solid |
| Identification | Conforms to reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White to off-white, crystalline powder |
| Odour | Slight sulfurous odor |
| Melting Point | 103-104 °C |
| Solubility (other solvents) | Freely soluble in alcohol, chloroform, methylene chloride; sparingly soluble in ethyl acetate |
| pKa | pKa1 = 3.7 |
| log P (octanol/water) | 0.34 |
Source: PubChem CID 44093 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 13364822 |
| CAS Number | 62571-86-2 |
| IUPAC Name | (2S)-1-[(2S)-2-methyl-3-sulfanylpropanoyl]pyrrolidine-2-carboxylic acid |
| EC Number | 263-607-1 |
| Molecular Formula | C9H15NO3S |
| Molecular Weight | 217.29 |
| Exact Mass | 217.0773 |
| SMILES | C[C@H](CS)C(=O)N1CCC[C@H]1C(=O)O |
| InChIKey | FAKRSMQSSFJEIM-RQJHMYQMSA-N |
| InChI | InChI=1S/C9H15NO3S/c1-6(5-14)8(11)10-4-2-3-7(10)9(12)13/h6-7,14H,2-5H2,1H3,(H,12,13)/t6-,7+/m1/s1 |
| PubChem CID | 44093 |
| REACH Code | Y110 |
| HTS Code | 2933999701 |
| Tariff Code | 2933998090 |
Safety & GHS
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Corrosive
GHS05
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H303 May be harmful if swallowed
- H317 May cause an allergic skin reaction
- H318 Causes serious eye damage
- H360F May damage fertility
- H373 May cause damage to organs through prolonged or repeated exposure
Precautionary statements
- P201 Obtain special instructions before use
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P263 Avoid contact during pregnancy/while nursing
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
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
- Acepress
- Capoten
- Captolane
- Captopryl
- Captoril
- Cesplon
- Dilabar
- Garranil
- L-Captopril
- Tensoprel
Frequently asked questions
What is captopril primarily used for?
Captopril is primarily used as an **antihypertensive medication** to treat high blood pressure and heart failure, and it is also used to manage diabetic nephropathy.
What is the chemical formula and molecular weight of captopril?
The chemical formula is **C₉H₁₅NO₃S**, and the molecular weight is **217.29 g/mol**.
How should captopril be stored?
Store captopril at **ambient temperature** in a tightly sealed container, away from moisture and direct sunlight.
What grades or purities of captopril does Molekula supply?
Molekula supplies **pharmaceutical-grade captopril** (typically ≥98% purity) for research, development, and industrial applications.
Can Molekula supply captopril in bulk quantities?
Yes, Molekula can supply captopril in **bulk quantities** (from grams to kilograms) depending on availability and customer requirements.
What documentation comes with a captopril order?
Each 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.