CAS 76823-03-5 5-Carboxyfluorescein molecular structure

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CAS RN: 76823-03-5

5-Carboxyfluorescein

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Choose a grade to view its available package options.

13 package records13 with current stock2 grade groups

Grade In stock only

Batch No.	Package	Availability	Inquiry
Batchno.20260626	100mg	In stock	Inquiry
Batchno.20250310	1g	In stock	Inquiry
Batchno.20260228	25g	In stock	Inquiry
Batchno.20250105	25mg	In stock	Inquiry
Batchno.20250907	500mg	In stock	Inquiry
Batchno.20260611	5g	In stock	Inquiry

Batch No.	Package	Availability	Warehouse	Inquiry
Batchno.20250620	100mg	In stock	Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu	Inquiry
Batchno.20250314	1g	In stock	Shanghai, Shenzhen, Tianjin, Chengdu	Inquiry
Batchno.20250510	1mg	In stock	Shanghai, Wuhan	Inquiry
Batchno.20250717	250mg	In stock	Shanghai, Tianjin	Inquiry
Batchno.20250427	25g	In stock	Shanghai	Inquiry
Batchno.20251104	25mg	In stock	Shanghai	Inquiry
Batchno.20250303	5g	In stock	Shanghai, Shenzhen, Tianjin	Inquiry

Product code: SSC-186244

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Verified Factory Data

Supply Overview & Packaging Options

Packaging options, recorded purity, stock quantity and ship-from location below are generated from the current factory data table for this CAS.

Pack sizes on record: 1g, 5g, 10g, 25g, 0.25g, 0.1g, 100g
Available purity: >98%
Inventory rows with stock: 6
Bulk packaging: confirmed by inquiry

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Available Pack Sizes & Stock

Specific stock quantities are shown below. Price is not displayed online and is confirmed by inquiry.

Recorded sizes, purity and stock details for CAS 76823-03-5
Pack Size	Recorded Purity	Available Qty	Ship From	Inquiry
1g	>98%	5 In Stock	Hong Kong	Inquiry
5g	>98%	5 In Stock	Beijing	Inquiry
10g	>98%	5 In Stock	Hong Kong	Inquiry
25g	>98%	5 In Stock	Shanghai	Inquiry
0.25g	>98%	4 In Stock	Shanghai	Inquiry
0.1g	>98%	2 In Stock	Shanghai	Inquiry
100g	>98%	0 Out of Stock	Shenzhen	Inquiry

76823-03-5 / 3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-carboxylic acid

Standard CAS: 76823-03-5 Multi CAS: Yes

Basic Information Computed Properties

Basic Information

CAS

76823-03-5

Multi CAS

Yes

Molecular Formula

C21H12O7

Molecular Weight

376.300000

Exact Mass

376.058303

InChI

InChI=1S/C21H12O7/c22-11-2-5-15-17(8-11)27-18-9-12(23)3-6-16(18)21(15)14-4-1-10(19(24)25)7-13(14)20(26)28-21/h1-9,22-23H,(H,24,25)

InChIKey

NJYVEMPWNAYQQN-UHFFFAOYSA-N

Computed Properties

Structural Parameters

Heavy atom count

Aromatic heavy atom count

Fraction Csp3

0.05

Rotatable bonds

H-bond acceptors

H-bond donors

Molar refractivity

94.99

TPSA

113.29

LogP / Solubility

WLOGP

3.36

MLOGP

2.98

XLogP3

2.9

Consensus LogP

3.08

Log S (ESOL)

-4.7

Class (ESOL)

Slightly soluble

Log S (Ali)

-5.07

Class (Ali)

Slightly soluble

Log S (SILICOS-IT)

-5.02

Class (SILICOS-IT)

Slightly soluble

ADME

GI absorption

High

BBB permeant

P-gp substrate

CYP1A2 inhibitor

Yes

CYP2C19 inhibitor

Yes

CYP2C9 inhibitor

CYP2D6 inhibitor

CYP3A4 inhibitor

Yes

Log Kp (skin permeation)

-2.63

Drug-likeness / Medicinal Chemistry

Lipinski

Yes

Ghose

Yes

Veber

Yes

Egan

Yes

Muegge

Yes

Bioavailability score

0.55

Leadlikeness

Synthetic Accessibility

4.5

Applications of CAS 76823-03-5

This compound is commonly used in life science and biochemical research, biochemistry and reagent applications, analytical chemistry and reference standard applications, laboratory reagent and synthesis applications, general chemistry research and laboratory applications. Starshine Chemical supplies CAS 76823-03-5 for R&D and pilot-scale use, with flexible pack sizes and purity grades available.

Storage & Handling

Storage: Keep the container tightly closed in a cool, dry and well-ventilated place. Avoid: Light Sensitive. For detailed hazard, storage and transport information, request the SDS (Safety Data Sheet) with your inquiry.

Quotation & Packaging

Prices are confirmed by inquiry. Request a quote for current pricing, minimum order quantity (MOQ) and lead time. The pack sizes listed on this page are reference options; custom pack sizes and bulk quantities are available on request.

Quality & Compliance

Specifications and purity shown on this page are based on batch records. A Certificate of Analysis (COA) is available on request. For research and further manufacturing use only — not for direct human or therapeutic use.