structure of 20721-17-9

5-Methylpyrazin-2(1H)-One(CAS 20721-17-9)

CAS No.: 20721-17-9 Brand: MolBest
M. Ft.: C5H6N2O Cat. No: G1194899
M. Wt.: 110.11 MDL: MFCD01693937
Storage: 2-8°C Use: For laboratory research use only
HS CODE: 2933990090
Purity Grade Package Stock Price Quantity
98%
Documents:COANMRSDS
RG 250MG In Stock 7 USD
98%
Documents:COANMRSDS
RG 1G In Stock 26 USD
98%
Documents:COANMRSDS
RG 5G In Stock 123 USD
98%
Documents:COANMRSDS
RG 25G In Stock 588 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 20721-17-9

2-Hydroxy-5-methylpyrazine finds utility in various domains:

  • Pharmaceuticals: It serves as an intermediate in synthesizing active pharmaceutical ingredients, including drugs like Pirfenidone, which is used to treat pulmonary fibrosis.
  • Flavoring Agents: The compound is utilized in food chemistry for its flavoring properties, contributing to the aroma profile of certain foods.
  • Agricultural Chemicals: Its derivatives may also be explored for use in agrochemicals due to their biological activity.

Physical and chemical properties of 20721-17-9

Acidity coefficient

11.72±0.40(Predicted)

Boiling Point

376.2ºC at 760 mmHg

Density

1.2±0.1 g/cm3

Exact Mass

110.048012

Flash Point

181.3ºC

Index of Refraction

1.577

LogP

-0.90

Melting Point

68-69 °C(Solv: ethyl ether (60-29-7))

Molecular Formula

C5H6N2O

Molecular Weight

110.114

PSA

46.01000

Storage condition

2-8°C

Vapour Pressure

3.41E-06mmHg at 25°C

Spectrums of 20721-17-9

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 20721-17-9

Retrosynthesis analysis of 20721-17-9


Q&A for CAS 20721-17-9

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 20721-17-9

Pictograms

Signal Word

Danger

Hazard Statements

H302 Harmful if swallowed
H315 Causes skin irritation
H318 Causes serious eye damage
H335 May cause respiratory irritation

Safety Data Sheet

Download COA of 20721-17-9

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

Operate under the ISO 9001 system