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Molekula

Molekula

L-Histidine monohydrochloride monohydrate EP Grade

SKU 90035801 CAS 5934-29-2 C6H9N3O2 · HCl · H2O MW 209.63 Made to order Bulk quantities on request

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

L-Histidine monohydrochloride monohydrate EP Grade is an essential amino acid derivative used in pharmaceuticals, nutritional supplements, and biochemical research for its role in protein synthesis, histamine production, and metal ion chelation. This European Pharmacopoeia (EP)-compliant grade meets strict purity standards for critical applications. CAS 5934-29-2, molecular formula C6H9N3O2·HCl·H2O, molecular weight 209.63 g/mol. Store at ambient conditions. Signal word: Warning. Molekula supplies L-Histidine monohydrochloride monohydrate EP Grade from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Overview

L-Histidine monohydrochloride monohydrate EP Grade is an essential amino acid derivative used in pharmaceuticals, nutritional supplements, and biochemical research for its role in protein synthesis, histamine production, and metal ion chelation. This European Pharmacopoeia (EP)-compliant grade meets strict purity standards for critical applications. CAS 5934-29-2, molecular formula C6H9N3O2·HCl·H2O, molecular weight 209.63 g/mol. Store at ambient conditions. Signal word: Warning. Molekula supplies L-Histidine monohydrochloride monohydrate EP Grade from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Pricing & pack sizes

Pack sizes & pricing

Pricing on request — packs available from research to bulk quantities.

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Prices exclude VAT/sales tax and shipping.

Specifications

Property Value
Appearance White or almost white crystalline powder or colourless crystal.
Specific rotation +9.2° ~ +10.6°
Identification Meets requirement
pH 3.0 - 5.0
Loss on Drying 7.0-10.0%
Assay 98.5% ~ 101.0%
Residue on Ignition ≤0.1%
Appearance of Solution Solution is clear and not more intensely coloured than reference solution BY6
Heavy Metals (Pb) ≤10ppm
Iron (Fe) ≤10ppm
Ammonium (NH4+) ≤200ppm
Sulphates (SO4)(2-) ≤300ppm
Ninhydrin-positive substances ≤0.5%

Storage & handling

Property Value
Storage Temperature Ambient
Acidity Acid

Identification

Property Value
SKU 90035801
CAS Number 5934-29-2
Molecular Formula C6H9N3O2 · HCl · H2O
Molecular Weight 209.63
SMILES Cl.O=C(O)C(N)CC1=CN=CN1.O
REACH Code Y113
TSCA Listed Yes
HTS Code 29332990
Tariff Code 2933299090

Safety & GHS

Warning
  • GHS pictogram — Health Hazard Health Hazard GHS07

Hazard statements

  • H319 Causes serious eye irritation

Precautionary statements

  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
  • P337+313 If eye irritation persists 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.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is L-Histidine monohydrochloride monohydrate used for?

It is primarily used in pharmaceuticals, nutritional supplements, and as a raw material in the synthesis of histidine-containing peptides and proteins.

What is the chemical formula and molecular weight?

The formula is **C6H9N3O2 · HCl · H2O**, and the molecular weight is **209.63 g/mol**.

How should L-Histidine monohydrochloride monohydrate be stored?

Store at ambient temperature in a dry, well-ventilated area, away from incompatible substances.

What grade of L-Histidine monohydrochloride monohydrate does Molekula supply?

Molekula supplies this product in **EP (European Pharmacopoeia) Grade**, meeting strict pharmaceutical standards.

Can Molekula supply L-Histidine monohydrochloride monohydrate in bulk?

Yes, Molekula can provide bulk quantities upon request, with flexible packaging options.

What documentation comes with an order of L-Histidine monohydrochloride monohydrate?

Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability.

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