structure of 52-21-1

Prednisolone 21-Acetate(CAS 52-21-1)

CAS No.: 52-21-1 Brand: MolBest
M. Ft.: C23H30O6 Cat. No: G2081877
M. Wt.: 402.48 MDL: MFCD00037710
Storage: Store in a cool,dry area. Use: For laboratory research use only
HS CODE: 2937210000
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Physical and chemical properties of 52-21-1

Acidity coefficient

12.41±0.70(Predicted)

Boiling Point

579.8±50.0 °C at 760 mmHg

BRN

3111798

Density

1.3±0.1 g/cm3

Exact Mass

402.204254

Flash Point

198.4±23.6 °C

Index of Refraction

1.587

LogP

2.58

Melting Point

240-244 °C

Merck

7721

Molecular Formula

C23H30O6

Molecular Weight

402.481

PSA

100.90000

Solubility

Practically insoluble in water, slightly soluble in ethanol (96 per cent) and in methylene chloride.

Specific rotation

D25 +116° (dioxane)

Stability

Stable. Incompatible with strong oxidizing agents.

Storage condition

2-8°C

Vapour Pressure

0.0±3.7 mmHg at 25°C

Water Solubility

11.6mg/L(25 ºC)

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Spectrums of 52-21-1

Attention:
1.The NMR spectrum displayed on the page is a pre-sale reference spectrum and may differ from that of the actual received batch.
2.The accompanying documentation will include the NMR spectrum and purity analysis data for the shipped batch.
Physical sample testing spectrum (NMR) of 52-21-1

Download SDS of 52-21-1

Pictograms

Signal Word

Danger

Hazard Statements

H300 Fatal if swallowed
H319 Causes serious eye irritation
H360 May damage fertility or the unborn child
H361 Suspected of damaging fertility or the unborn child
H373 May causes damage to organs through prolonged or repeated exposure

Safety Data Sheet

Q&A for CAS 52-21-1

1. How can I verify product quality?
Every batch is tested in accordance with ISO 9001 requirements. We provide a Certificate of Analysis (COA), NMR spectrum, purity report, and test methods with each shipment. Third-party retesting is supported, and we offer a full refund if our data is incorrect.

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Hazardous products are labeled and packaged in compliance with international regulations and shipped with an up-to-date Safety Data Sheet (SDS) to ensure safe and compliant transport.

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Yes, samples are available for select products for testing and validation. Please submit a sample request or contact our sales team to confirm availability and specifications.

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Items marked “In Stock” on our website are ready for immediate shipment, usually within 1–2 business days. Large packs or custom specifications require lead time confirmation.

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Yes. The COA provided with your shipment matches the actual batch and includes the batch number. COAs shown online are for reference or from previous batches.

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Applications of 52-21-1

Prednisolone acetate is primarily used in:

  • Ophthalmology: As an ophthalmic suspension for treating inflammatory conditions affecting the eye.
  • Dermatology: In topical formulations for skin conditions such as eczema and psoriasis.
  • Systemic Treatments: Occasionally used in oral forms for broader anti-inflammatory effects.

The compound is effective in managing conditions where inflammation plays a key role, allowing for reduced symptoms and improved patient outcomes.

Retrosynthesis analysis of 52-21-1

  • Route#1

    Cas:108-24-7
    Cas:50-24-8
    Cas:52-21-1
  • Route#2

    Cas:52-21-1
  • Route#3

    Cas:28449-43-6
    Cas:52-21-1

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