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(E)-4-Chloro-3-ethoxy-2-butenoic acid ethyl ester
- CAS
- 65840-68-8
- Formula
- C8H13ClO3
- MW
- 192.64 g/mol
VQ-039844
VAQORAEsters & LactonesAvailable on request
Erythrosin Yellowish
Synonyms: Diiodofluorescein Disodium Salt · Erythrosin Yellowish sodium salt · Erythrosin Y · Diiodoeosine
CAS No.33239-19-9
FormulaC20H8I2Na2O5
Mol. weight628.10
Catalogue No.VQ-039837
PurityOn COA
HSN—
Erythrosin Yellowish (CAS 33239-19-9) – ester. C20H8I2Na2O5, MW 628.1. COA included. Worldwide shipping from Vaqora Chemicals. Ships worldwide.
Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing
About Erythrosin Yellowish
Vaqora Chemicals supplies Erythrosin Yellowish, an ester registered under CAS number 33239-19-9. The compound has the formula C20H8I2Na2O5, corresponding to a molecular weight of 628.1 g/mol. Alternative names: Diiodofluorescein Disodium Salt and Erythrosin Yellowish sodium salt.
Store in a tightly closed container in a cool, dry and well-ventilated place. Good laboratory practice and suitable PPE are recommended during handling.
Typical applications include organic synthesis and API synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.
Standard pack sizes are 100 mg, 250 mg, 1 g and 5 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. SDS and detailed specification sheets can be requested with your quotation. Custom pack sizes, bulk quantities and specific analytical data can be arranged on request.
Specifications & identifiers
| Product name | Erythrosin Yellowish |
|---|---|
| Catalogue No. | VQ-039837 |
| CAS Number | 33239-19-9 |
| IUPAC name | disodium;4',5'-diiodo-3-oxospiro[2-benzofuran-1,9'-xanthene]-3',6'-diolate |
| Molecular formula | C20H8I2Na2O5 |
| Molecular weight | 628.1 g/mol |
| Exact mass | 627.8257 |
| InChIKey | AHSJNHONMVUMLK-UHFFFAOYSA-L |
| SMILES | C1=CC=C2C(=C1)C(=O)OC23C4=C(C(=C(C=C4)[O-])I)OC5=C3C=CC(=C5I)[O-].[Na+].[Na+] |
| PubChem CID | 161764 |
| Physical form | Other |
|---|---|
| H-bond donors / acceptors | 0 / 5 |
| TPSA | 81.7 Ų |
| Synonyms | Diiodofluorescein Disodium Salt, Erythrosin Yellowish sodium salt, Erythrosin Y, Diiodoeosine, Erythrosine yellowish NA, Erythrosine Yellow, Japan Orange 207, Certiqual diiodofluorescein, C Red 35, D & C Orange no. 11, CI 45425 (Na salt), D&C Orange No. 11 |
Documents
Frequently asked questions
What is the CAS number of Erythrosin Yellowish?
The CAS Registry Number of Erythrosin Yellowish is 33239-19-9. It is also known as Diiodofluorescein Disodium Salt, Erythrosin Yellowish sodium salt, Erythrosin Y.
What is the molecular formula and molecular weight of Erythrosin Yellowish?
Erythrosin Yellowish has the molecular formula C20H8I2Na2O5 and a molecular weight of 628.1 g/mol.
Which grade and pack sizes of Erythrosin Yellowish can I order?
We supply Erythrosin Yellowish, in 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with Erythrosin Yellowish?
Yes. Every lot of Erythrosin Yellowish is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.
Can Erythrosin Yellowish be shipped internationally?
Yes. We export Erythrosin Yellowish worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.
Enquire about Erythrosin Yellowish
We reply within one business day with price, pack options, lead time and documentation.
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