5,7-Dihydroxy-4-methylphthalide

Cat. No.: HY-108416 Purity: 99.82%: FAQs
Data Sheet SDS COA Handling Instructions

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5,7-Dihydroxy-4-methylphthalide is a key intermediate in the synthesis of Mycophenolic acid and a secondary metabolite of Aspergillus flavus.

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5,7-Dihydroxy-4-methylphthalide Chemical Structure

CAS No. : 27979-57-3

Size	Price	Stock	Quantity
5 mg	USD 50	In-stock	Estimated Time of Arrival: December 31
10 mg	USD 70	In-stock	Estimated Time of Arrival: December 31
25 mg	USD 120	In-stock	Estimated Time of Arrival: December 31
50 mg	USD 170	In-stock	Estimated Time of Arrival: December 31
100 mg		Get quote
200 mg		Get quote

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Description

5,7-Dihydroxy-4-methylphthalide is a key intermediate in the synthesis of Mycophenolic acid and a secondary metabolite of Aspergillus flavus^[1].

Molecular Weight

180.16

Formula

C₉H₈O₄

CAS No.

27979-57-3

Appearance

Solid

Color

White to off-white

SMILES

O=C1OCC2=C1C(O)=CC(O)=C2C

Shipping

Room temperature in continental US; may vary elsewhere.

Storage

Powder	-20°C	3 years
	4°C	2 years
In solvent	-80°C	6 months
	-20°C	1 month

Solvent & Solubility

In Vitro:

DMSO : 100 mg/mL (555.06 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

Preparing
Stock Solutions

Concentration Solvent Mass	1 mg	5 mg	10 mg

1 mM	5.5506 mL	27.7531 mL	55.5062 mL
5 mM	1.1101 mL	5.5506 mL	11.1012 mL
10 mM	0.5551 mL	2.7753 mL	5.5506 mL

View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

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Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Concentration _(start) × Volume _(start) = Concentration _(final) × Volume _(final)

This equation is commonly abbreviated as: C₁V₁ = C₂V₂

In Vivo Dissolution Calculator

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Calculation results:

Working solution concentration: mg/mL

Purity & Documentation

Purity: 99.82%

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Data Sheet (272 KB) SDS (0 KB)

COA (247 KB) HNMR (242 KB) LCMS (90 KB)

Handling Instructions (2659 KB)

References

[1]. Sergio Auricchio, et al. New synthesis of 5,7-dihydroxy-4-methylphthalide, a key intermediate in the synthesis of mycophenolic acid. J Org Chem. 1983 Feb 1; 48 (4), 602-604.

Complete Stock Solution Preparation Table

Optional Solvent	Concentration Solvent Mass	1 mg	5 mg	10 mg	25 mg

DMSO	1 mM	5.5506 mL	27.7531 mL	55.5062 mL	138.7655 mL
	5 mM	1.1101 mL	5.5506 mL	11.1012 mL	27.7531 mL
	10 mM	0.5551 mL	2.7753 mL	5.5506 mL	13.8766 mL
	15 mM	0.3700 mL	1.8502 mL	3.7004 mL	9.2510 mL
	20 mM	0.2775 mL	1.3877 mL	2.7753 mL	6.9383 mL
	25 mM	0.2220 mL	1.1101 mL	2.2202 mL	5.5506 mL
	30 mM	0.1850 mL	0.9251 mL	1.8502 mL	4.6255 mL
	40 mM	0.1388 mL	0.6938 mL	1.3877 mL	3.4691 mL
	50 mM	0.1110 mL	0.5551 mL	1.1101 mL	2.7753 mL
	60 mM	0.0925 mL	0.4626 mL	0.9251 mL	2.3128 mL
	80 mM	0.0694 mL	0.3469 mL	0.6938 mL	1.7346 mL
	100 mM	0.0555 mL	0.2775 mL	0.5551 mL	1.3877 mL