4-Methylumbelliferone(CAS 90-33-5)
| Purity | Grade | Package | Stock | Price | Quantity |
| 98% | RG | 25G | In Stock | 4 USD
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| 98% | RG | 100G | In Stock | 10 USD
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| 98% | RG | 500G | In Stock | 25 USD
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| 98% | RG | 2.5KG | In Stock | 191 USD
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| 98% | RG | 10KG | In Stock | 725 USD
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Applications of 90-33-5
4-Methylumbelliferone has diverse applications across various fields:
- Pharmaceuticals: Used as an antineoplastic agent and a treatment for biliary spasms under the name hymecromone.
- Biochemistry: Serves as a fluorescent probe for enzyme activity assays due to its fluorescent properties in alkaline solutions.
- Dietary Supplements: Investigated for its role in inhibiting hyaluronic acid synthesis, making it relevant in chronic inflammatory conditions.
Physical and chemical properties of 90-33-5
Acidity coefficient |
7.79(at 25℃) |
|---|---|
Boiling Point |
377.4ºC at 760 mmHg |
BRN |
142217 |
Density |
1.319 g/cm3 |
Exact Mass |
176.04700 |
Flash Point |
174.5ºC |
Index of Refraction |
1.5036 (estimate) |
LogP |
1.80700 |
Melting Point |
381 to 383 °F (NTP, 1992) |
Merck |
14,4854 |
Molecular Formula |
C10H8O3 |
Molecular Weight |
176.16900 |
pH Range |
Green 1 uorescent (0.0) to weak blue 1 uorescent (2.0);Weak blue 1 uorescent (6.5) blue 1 uorescent (8.0) |
PSA |
50.44000 |
Solubility |
Insoluble (NTP, 1992) |
Stability |
Stable. Combustible. Incompatible with strong oxidizing agents. |
Storage condition |
-20°C Freezer |
Vapour Pressure |
0.00000724 [mmHg] |
Water Solubility |
slightly soluble |
λmax |
221nm, 251nm, 322nm |
Spectrums of 90-33-5
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.
Cas:26093-31-2
Cas:607-71-6
Cas:91-64-5
Cas:2747-05-9
Q&A for CAS 90-33-5
1. How can I verify product quality?
Every batch of our Chemical Reagents is tested to meet ISO 9001 standards. We provide COA & NMR & SDS Provided with each shipment. Batch COA available for verification, and third-party retesting is supported. A full refund is offered if our data is incorrect.
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Orders from Ready stock / In stock items typically Ships Tomorrow via Fast Shipping via FedEx/DHL/UPS. International deliveries usually arrive within 7 business days, subject to customs clearance.
3. What if the received product doesn’t meet quality standards?
If your Lab Grade Chemical Reagents do not match the Batch COA available, we will issue a replacement or a full refund upon verification.
4. Are hazardous labels included? How is safe shipping ensured?
Hazardous products are labeled and packaged following international regulations. We provide SDS Provided with all hazardous shipments to ensure safe and compliant transport.
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Yes. Our Lab Supplier team is available to assist with questions about product usage, storage, Lab Grade requirements, applications, and more.
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Yes, samples are available for selected Lab Grade products. Please submit a request to confirm availability and specifications.
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Yes. Items labeled In stock / Ready stock on our website are available for immediate shipment, usually within 1–2 business days. Large packs or custom specifications require lead time confirmation.
9. Can you customize purity or packaging?
Yes. We support customization of Lab Grade purity, packaging size, and special testing requirements. Share your needs and we’ll provide a tailored solution.
10. Is the COA consistent with the shipped batch?
Yes. Batch COA available matches the actual shipment. COAs shown online are for reference or from previous batches.
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Yes. We offer Lab Supplier services for stable batch consistency, pricing agreements, and safety stock for long-term customers to ensure uninterrupted supply.
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Download SDS of 90-33-5
Pictograms |
 |
|---|---|
Signal Word |
Warning |
Hazard Statements |
H315 Causes skin irritation H319 Causes serious eye irritation H335 May cause respiratory irritation |
Safety Data Sheet |
Download COA of 90-33-5
Operate under the ISO 9001 system
