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Molekula

Molekula

Cephalexin hydrate

SKU 21740976 CAS 15686-71-2 C16H17N3O4S · xH2O MW 347.39 In stock

Cephalexin hydrate is a semi-synthetic cephalosporin antibiotic used to treat bacterial infections. It is effective against a range of Gram-positive and some Gram-negative bacteria. Available with CAS number 15686-71-2, molecular formula C16H17N3O4S · xH2O, and molecular weight 347.39 g/mol. Store at 2 to 8 °C. Signal word: Danger. Molekula supplies Cephalexin hydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Overview

Cephalexin hydrate is a semi-synthetic cephalosporin antibiotic used to treat bacterial infections. It is effective against a range of Gram-positive and some Gram-negative bacteria. Available with CAS number 15686-71-2, molecular formula C16H17N3O4S · xH2O, and molecular weight 347.39 g/mol. Store at 2 to 8 °C. Signal word: Danger. Molekula supplies Cephalexin hydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Pricing & pack sizes

Pack sizes & pricing

  • 5 g $129.60 per pack

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Specifications

Property Value
Appearance A white or almost white crystalline powder
Water 4 - 8%
Impurity B ≤1.0%
Identification Conforms to reference
pH 4.0 - 5.5
Solubility Sparingly soluble in water, practically insoluble in ethanol (96%)
Assay 95.0% to 103.0%
Specific optical rotation 149 - 158
N,N-dimethylaniline ≤20ppm
Total Impurities ≤3.0%
Sulfated ash ≤0.2%
Any other impurity ≤1.0%

Storage & handling

Property Value
Storage Temperature 2 to 8 °C
Shelf Life 24 months
Acidity Neutral

Identification

Property Value
SKU 21740976
CAS Number 15686-71-2
Molecular Formula C16H17N3O4S · xH2O
Molecular Weight 347.39
SMILES O=C(O)C1=C(C)CSC2N1C(=O)C2NC(=O)C(N)C=3C=CC=CC3
REACH Code Y110
HTS Code 29419030
Tariff Code 2941900000

Safety & GHS

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

Hazard statements

  • H317 May cause an allergic skin reaction
  • H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled

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
  • P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
  • P333+313 IF skin irritation or a rash occurs: Get medical advice/attention
  • P337+313 If eye irritation persists get medical advice/attention

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

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 cephalexin hydrate used for?

Cephalexin hydrate is a first-generation cephalosporin antibiotic used to treat bacterial infections such as respiratory tract infections, skin infections, and urinary tract infections.

What is the chemical formula and molecular weight of cephalexin hydrate?

The formula is C16H17N3O4S · xH2O with a molecular weight of 347.39 g/mol.

How should cephalexin hydrate be stored?

Store at 2 to 8 °C in a dry, dark place to maintain stability and prevent degradation.

What grade of cephalexin hydrate does Molekula supply?

Molekula supplies cephalexin hydrate in research grade, suitable for laboratory use.

Can Molekula supply cephalexin hydrate in bulk?

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

What documentation comes with a cephalexin hydrate order?

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

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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