2-BUTENOIC ACID (CAS No. 503-64-0) is supplied by Jinan Shenghe Chemical Co., Ltd. with a typical purity of 按批次COA提供(不公开发布). Main applications include Organic Chemicals；Flavors. Bulk quantities are available with COA; purity and packaging are subject to batch COA and order confirmation.
Organic Chemicals；Flavors
COA provided with every batch; MSDS and technical documents available on request. Email us with product name and CAS number for a quote within one business day.
The CAS number of 2-BUTENOIC ACID is 503-64-0.
Typical purity is 按批次COA提供(不公开发布), supplied in 按订单/批次确认(不公开发布), with COA provided.
Main applications include Organic Chemicals；Flavors.
Email info@591daili.com or reach us on WhatsApp with the product name, CAS number and required quantity; quotes within one business day. Supplier: Jinan Shenghe Chemical Co., Ltd..
2-BUTENOIC ACID · CAS 503-64-0 · C4H6O2. UNII NS00077147.
| CAS Registry Number | 503-64-0 |
|---|---|
| PubChem CID | 19499 |
| Molecular formula | C4H6O2 |
| IUPAC name | but-2-enoic acid |
| UNII (FDA) | NS00077147 |
| JECFA number | 1371 |
| Molecular Weight | 86.09 |
|---|---|
| XLogP3 | 0.7 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 1 |
| Exact Mass | 86.036779430 |
| Monoisotopic Mass | 86.036779430 |
| Topological Polar Surface Area | 37.3 |
| Heavy Atom Count | 6 |
| Formal Charge | 0 |
| Regulatory & Food Contact | Flavoring Agents CIR / INCI: Stabilizing |
|---|
2-Butenoic acid; DTXSID7027544; DTXCID507544; CHEBI:17217; RefChem:1062626; but-2-enoic acid; 503-64-0; .alpha.-Crotonic acid; CH3CH=CHCOOH; FA 4:1; UN 2823; alpha-butenic acid; Crotonic acid (NIST); SCHEMBL22034; SCHEMBL23398; SCHEMBL294338
CAS 503-64-0; molecular formula C4H6O2; molecular weight — g/mol.
2-Butenoic acid, DTXSID7027544, DTXCID507544, CHEBI:17217, RefChem:1062626, but-2-enoic acid.
Documented regulatory listings: Flavoring Agents; CIR / INCI: Stabilizing.
Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.
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