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Molekula

Molekula

Reserpine

SKU 70515639 CAS 50-55-5 C33H40N2O9 MW 608.68 Made to order Bulk quantities on request

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

Reserpine is a naturally occurring alkaloid used primarily in research and pharmaceutical applications for its ability to deplete monoamine neurotransmitters. It is employed in studies of neurochemistry and hypertension. Available as a USP-grade white to off-white powder with an assay of 97.0–101.0%, Reserpine has a CAS number of 50-55-5, a molecular formula of C33H40N2O9, and a molecular weight of 608.68 g/mol. It should be stored at ambient temperature.

Molekula supplies Reserpine at 97.0 - 101.0% purity in 1 g packs, from £104.28 inc. VAT. It is made or sourced to order. Every batch ships with a certificate of analysis, and safety data sheets are available in 5 languages. Larger quantities, up to multi-tonne, are quoted on request.

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

Pack sizes & pricing

On backorder — expected to ship by 5 December 2026

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.

  • 1 g — £86.90 per pack ex VAT · £104.28 inc. VAT

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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.

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Prices exclude VAT/sales tax and shipping.

Specifications

Property Value
Appearance White to Off-White powder
Grade USP
Specific rotation -115 to -131°
Loss on Drying ≤ 0.5%
Assay 97.0 - 101.0%
Residue on Ignition ≤ 0.15%
Total Impurities ≤ 1.5%
Identification (IR) Conforms to reference
Identification A, B, C, D Conforms to reference
Oxidation ≤ 0.1%

Storage & handling

Property Value
Storage Temperature Ambient
Acidity Neutral

Literature values

Published physical properties of the substance, not batch specifications.

Property Value
Appearance White or pale buff to slightly yellowish powder
Odour Odorless
Melting Point 264.5 °C
Water Solubility 73 mg/L at 30 °C
pKa pKa = 6.6

Source: PubChem CID 5770 (HSDB, DrugBank)

Identification

Property Value
SKU 70515639
CAS Number 50-55-5
IUPAC Name methyl (1R,15S,17R,18R,19S,20S)-6,18-dimethoxy-17-(3,4,5-trimethoxybenzoyl)oxy-1,3,11,12,14,15,16,17,18,19,20,21-dodecahydroyohimban-19-carboxylate
EC Number 200-047-9
Molecular Formula C33H40N2O9
Molecular Weight 608.68
Exact Mass 608.2734
SMILES CO[C@H]1[C@@H](C[C@@H]2CN3CCC4=C([C@H]3C[C@@H]2[C@@H]1C(=O)OC)NC5=C4C=CC(=C5)OC)OC(=O)C6=CC(=C(C(=C6)OC)OC)OC
InChIKey QEVHRUUCFGRFIF-MDEJGZGSSA-N
InChI InChI=1S/C33H40N2O9/c1-38-19-7-8-20-21-9-10-35-16-18-13-27(44-32(36)17-11-25(39-2)30(41-4)26(12-17)40-3)31(42-5)28(33(37)43-6)22(18)15-24(35)29(21)34-23(20)14-19/h7-8,11-12,14,18,22,24,27-28,31,34H,9-10,13,15-16H2,1-6H3/t18-,22+,24-,27-,28+,31+/m1/s1
PubChem CID 5770
REACH Code Y110
TSCA Listed Yes
HTS Code 29397900
Tariff Code 2939799090

Safety & GHS

Danger
  • GHS pictogram — Health Hazard Health Hazard GHS07
  • GHS pictogram — Serious Health Hazard Serious Health Hazard GHS08

Hazard statements

  • H302 Harmful if swallowed
  • H336 May cause drowsiness or dizziness
  • H351 Suspected of causing cancer
  • H360D May harm the unborn child
  • H370 Causes damage to organs

Precautionary statements

  • P201 Obtain special instructions before use
  • P260 Do not breathe dust/fume/gas/mist/vapours/spray
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
  • P308+313 IF exposed or concerned: Get medical advice/attention

Documents

Safety Data Sheets (SDS)

Available in English, French, German, Italian, 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.

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

  • Alserin
  • Apoplon
  • Deserpine
  • Elserpine
  • Eskaserp
  • Rau-Sed
  • Sandril
  • Serpalan
  • Serpasil
  • Serpivite

Frequently asked questions

What is reserpine used for?

Reserpine is primarily used in research for studying neurotransmitter depletion and has been historically used to treat hypertension.

What is the chemical formula and molecular weight of reserpine?

The formula is C33H40N2O9 with a molecular weight of 608.68 g/mol.

How should reserpine be stored?

Reserpine should be stored at ambient temperature, protected from light and moisture.

What grade of reserpine does Molekula supply?

Molekula supplies reserpine in USP grade.

Can Molekula supply reserpine in bulk quantities?

Yes, Molekula can supply reserpine in bulk quantities—please contact us for pricing and availability.

What documentation comes with a reserpine order?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.

Where can I buy Reserpine?

Directly from Molekula, which lists Reserpine in 1 g packs from £104.28 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.

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.

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