Dangerous Goods
structure of 493-57-2

Benzo[B]Thiophene-2,3-Dione(CAS 493-57-2)

CAS No.: 493-57-2 Brand: MolBest
M. Ft.: C8H4O2S Cat. No: G7377848
M. Wt.: 164.18 MDL: MFCD00463402
Storage: Store under inert gas. Use: For laboratory research use only
UN No.: UN 1759 8 /PG III
Purity Grade Package Stock Price Quantity
95%
Documents:COANMRSDS
RG 250MG In Stock 21 USD
95%
Documents:COANMRSDS
RG 5G In Stock 300 USD
95%
Documents:COANMRSDS
RG 25G In Stock 1589 USD
Your region is eligible for ordering.
Should you have any questions, please contact us by Email.
Batch COA
Available
NMR Spectrum
Verified
In Stock
Fast Shipping
ISO 9001
Quality System

Promotion

Physical and chemical properties of 493-57-2

Boiling Point

247ºC at 760mmHg

BRN

118077

Density

1.479g/cm3

Exact Mass

163.99300

Flash Point

103ºC

H Bond Acceptors

2

H Bond Donors

0

Index of Refraction

1.686

LogP

1.50160

Melting Point

119-121ºC

Molecular Formula

C8H4O2S

Molecular Weight

164.18100

PSA

59.44000

Storage condition

20°C

Vapour Pressure

0.0263mmHg at 25°C

Download COA of 493-57-2

CAS/Product ID
*Required fields
Lot/Batch Number
*Required fields

Spectrums of 493-57-2

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 493-57-2

Download SDS of 493-57-2

Pictograms

Signal Word

Danger

Hazard Statements

H317 May cause an allergic skin reaction
H318 Causes serious eye damage

Safety Data Sheet

Q&A for CAS 493-57-2

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.

2. What is the delivery time?
Orders are shipped on the second business day via FedEx, DHL, or UPS. International deliveries typically arrive within 7 business days (subject to customs clearance).

3. What if the received product doesn’t meet quality standards?
If the product does not match the COA or has a quality issue, we will issue a full refund or replacement upon verification.

4. Are hazardous labels included? How is safe shipping ensured?
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.

5. Do you offer technical support?
Yes. Our technical team is available to assist with questions about product use, storage, purity requirements, applications, and more.

6. Are volume discounts available?
Yes. We offer competitive pricing for bulk orders. Please submit a quotation request, and we’ll provide a customized offer.

7. Do you provide samples?
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.

8. Do you have products in stock?
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.

9. Can you customize purity or packaging?
Yes. We support customization of purity, packaging size, and special testing requirements. Please share your detailed needs, and we’ll provide a solution.

10. Is the COA consistent with the shipped batch?
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.

11. Do you support long-term supply agreements?
Yes. We offer stable batch consistency, pricing agreements, and safety stock options for long-term customers to ensure uninterrupted supply.

12. What payment methods do you accept?
We accept bank transfer (T/T), PayPal, and other methods. Credit terms may be available for qualified long-term partners.

Applications of 493-57-2

Benzo[b]thiophene-2,3-dione finds applications in various fields:

  • Pharmaceuticals: Its derivatives are explored for their potential as anti-cancer agents and other therapeutic applications due to their biological activity.
  • Material Science: The compound is used in the development of organic semiconductors and dyes due to its unique electronic properties.
  • Agriculture: Some derivatives may serve as pesticides or fungicides owing to their antimicrobial properties.

Retrosynthesis analysis of 493-57-2

  • Route#1

    Cas:3844-31-3
    Cas:493-57-2
  • Route#2

    Cas:3844-31-3
    Cas:493-57-2
  • Route#3

    Cas:3844-31-3
    Cas:493-57-2

Operate under the ISO 9001 system