Dangerous Goods
structure of 303734-52-3

2-Bromo-3-(2-Ethylhexyl)Thiophene(CAS 303734-52-3)

CAS No.: 303734-52-3 Brand: MolBest
M. Ft.: C12H19BrS Cat. No: G5395138
M. Wt.: 275.25 MDL: MFCD26743667
Storage: 2-8°C,Under inert gas. Use: For laboratory research use only
HS CODE: 2934999090 UN No.: UN 2810
Purity Grade Package Stock Price Quantity
96%
Documents:COANMRGCSDS
RG 250MG In Stock 3 USD
96%
Documents:COANMRGCSDS
RG 1G In Stock 10 USD
96%
Documents:COANMRGCSDS
RG 5G In Stock 44 USD
96%
Documents:COANMRGCSDS
RG 25G In Stock 150 USD
96%
Documents:COANMRGCSDS
RG 100G In Stock 1113 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

Quick Links

Applications of 303734-52-3

Industry Application Process
Pharmaceutical Intermediates Used in the synthesis of certain drug molecules Thiophene structure introduced via addition or substitution reactions
Agrochemical Intermediates Used in the synthesis of specific active ingredients in pesticides Employed as a building block in subsequent substitution or coupling reactions
Materials Science Used in the synthesis of novel conductive or functional materials Thiophene units incorporated via polymerization or block copolymerization
Fine Chemicals Serves as an intermediate in the synthesis of complex organic molecules Processed into other fine chemicals via multi-step synthetic reactions
Polymer Synthesis Used to prepare functional polymers containing thiophene moieties Acts as a monomer in free-radical or coordination polymerization

Physical and chemical properties of 303734-52-3

Boiling Point

301.8±22.0 °C at 760 mmHg

Density

1.2±0.1 g/cm3

Exact Mass

274.039063

Flash Point

136.3±22.3 °C

Index of Refraction

1.525

LogP

6.74

Molecular Formula

C12H19BrS

Molecular Weight

275.248

PSA

28.24000

Storage condition

under inert gas (nitrogen or Argon) at 2–8 °C

Vapour Pressure

0.0±0.6 mmHg at 25°C

Spectrums of 303734-52-3

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 303734-52-3

Retrosynthesis analysis of 303734-52-3


Q&A for CAS 303734-52-3

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.

2. What is the delivery time?
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.

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

6. Are volume discounts available?
Yes. For bulk orders of Chemical Reagents, we offer competitive pricing. Submit a quotation request and we’ll provide a tailored offer.

7. Do you provide samples?
Yes, samples are available for selected Lab Grade products. Please submit a request to confirm availability and specifications.

8. Do you have products in stock?
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.

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

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

Download SDS of 303734-52-3

Pictograms

Signal Word

Danger

Hazard Statements

H301 Toxic if swallowed
H315 Causes skin irritation

Safety Data Sheet

Download COA of 303734-52-3

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

Operate under the ISO 9001 system