3-hydroxy-3-methylglutaric acid

Modify Date: 2026-07-08 11:56:02

3-hydroxy-3-methylglutaric acid Structure
3-hydroxy-3-methylglutaric acid structure
Common Name 3-hydroxy-3-methylglutaric acid
CAS Number 503-49-1 Molecular Weight 162.14100
Density 1.417 g/cm3 Boiling Point 120 °C / 13mmHg
Molecular Formula C6H10O5 Melting Point 105-108 °C(lit.)
MSDS Chinese USA Flash Point 182.2ºC

 Use of 3-hydroxy-3-methylglutaric acid


Meglutol is an antilipemic agent which lowers cholesterol, triglycerides, serum beta-lipoproteins and phospholipids, and inhibits the activity of hydroxymethylglutarryl CoA reductases, which is the rate limiting enzyme in the biosynthesis of cholesterol.

Summary: 3-Hydroxy-3-methylglutaric acid (Meglutol, CAS number: 503-49-1, molecular formula: C6H10O5, molecular weight: 162.14100) is a gray-white powder that reduces cholesterol, triglycerides, and serum β-lipoproteins and phospholipids, and inhibits the activity of hydroxymethylglutaryl coenzyme A reductase, which is a rate-limiting enzyme in cholesterol biosynthesis. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 3-hydroxy-3-methylglutaric acid
Synonym More Synonyms

 3-hydroxy-3-methylglutaric acid Biological Activity

This table contains bioactivity, target information and biological‑assay experimental data of this compound.

Description Meglutol is an antilipemic agent which lowers cholesterol, triglycerides, serum beta-lipoproteins and phospholipids, and inhibits the activity of hydroxymethylglutarryl CoA reductases, which is the rate limiting enzyme in the biosynthesis of cholesterol.
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 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.417 g/cm3
Boiling Point 120 °C / 13mmHg
Melting Point 105-108 °C(lit.)
Molecular Formula C6H10O5
Molecular Weight 162.14100
Flash Point 182.2ºC
Exact Mass 162.05300
PSA 94.83000
Index of Refraction 1.512
InChIKey NPOAOTPXWNWTSH-UHFFFAOYSA-N
SMILES CC(O)(CC(=O)O)CC(=O)O
Storage condition −20°C

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
MA3753000
CHEMICAL NAME :
Glutaric acid, 3-hydroxy-3-methyl-
CAS REGISTRY NUMBER :
503-49-1
BEILSTEIN REFERENCE NO. :
1769194
LAST UPDATED :
199612
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C6-H10-O5
MOLECULAR WEIGHT :
162.16
WISWESSER LINE NOTATION :
QV1XQ1&1VQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
7330 mg/kg
TOXIC EFFECTS :
Brain and Coverings - recordings from specific areas of CNS Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - other changes
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 25,1284,1975
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
3230 mg/kg
TOXIC EFFECTS :
Brain and Coverings - recordings from specific areas of CNS Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - other changes
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 25,1284,1975

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xi
Risk Phrases 36/37/38
Safety Phrases S22-S24/25
RIDADR NONH for all modes of transport
WGK Germany 2
RTECS MA3753000
HS Code 2918199090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2918199090
Summary 2918199090 other carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

 Articles27

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

NMR spectroscopic studies on the late onset form of 3-methylglutaconic aciduria type I and other defects in leucine metabolism.

NMR Biomed. 19(2) , 271-8, (2006)

A diagnosis of 3-methylglutaconic aciduria type I (OMIM: 250950) based on elevated urinary excretion of 3-methylglutaconic acid (3MGA), 3-methylglutaric acid (3MG) and 3-hydroxyisovaleric acid (3HIVA)...

Unimolecular reaction chemistry of a charge-tagged beta-hydroxyperoxyl radical.

Phys. Chem. Chem. Phys. 16(45) , 24954-64, (2014)

β-Hydroxyperoxyl radicals are formed during atmospheric oxidation of unsaturated volatile organic compounds such as isoprene. They are intermediates in the combustion of alcohols. In these environment...

Mitochondrial DNA depletion associated with partial complex II and IV deficiencies and 3-methylglutaconic aciduria.

J. Child Neurol. 16(2) , 136-8, (2001)

We report a patient with mitochondrial DNA depletion, partial complex II and IV deficiencies, and 3-methylglutaconic aciduria. Complex II deficiency has not been previously observed in mitochondrial D...

 3-hydroxy-3-methylglutaric acidBioassay

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This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: Binding affinity towards rat Gabra1 in an in vitro assay with cellular components mea...
Source: ChEMBL
Target: Gamma-aminobutyric acid receptor subunit alpha-1
External Id: CHEMBL5291800
Name: Primary cell-based high-throughput screening assay for identification of compounds th...
Source: Johns Hopkins Ion Channel Center
Target: regulator of G-protein signaling 4 isoform 2 [Homo sapiens]
External Id: JHICC_RGS_Act_HTS
Name: uHTS identification of small molecule activators of the adaptive arm of the Unfolded ...
Source: Burnham Center for Chemical Genomics
Target: N/A
External Id: BCCG-A405-UPR-XBP1-PrimaryAgonist-Assay
Name: Binding affinity towards human ESR1 in an in vitro cell free assay (CRO assay) measur...
Source: ChEMBL
Target: Estrogen receptor
External Id: CHEMBL5291792
Name: Compound was evaluated for inhibition of human F2 in an in vitro cell free assay meas...
Source: ChEMBL
Target: Prothrombin
External Id: CHEMBL5291794
Name: Primary cell-based high-throughput screening for identification of compounds that all...
Source: Johns Hopkins Ion Channel Center
Target: MAS-related GPR member X1 [Homo sapiens]
External Id: JHICC_MrgX1_AlloAgonist_Primary
Name: Primary cell-based high-throughput screening for identification of compounds that ant...
Source: Johns Hopkins Ion Channel Center
Target: MAS-related GPR member X1 [Homo sapiens]
External Id: JHICC_MrgX1_Antagonist_Primary
Name: Phenotypic Assay to Identify Small Molecules that Upregulate Production of hCFTR in H...
Source: Southern Research Institute
Target: CFTR
External Id: CF Folding
Name: Identifying Sarm1 Tir Hydrolase inhibitors through NAD-Glo assay
Source: 24386
Target: N/A
External Id: Sarm1 Tir NADase inhibitors screen
Name: Binding affinity towards human DRD1 in an in vitro assay with cellular components (NI...
Source: ChEMBL
Target: D(1A) dopamine receptor
External Id: CHEMBL5291779
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 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

EINECS 207-971-1
MFCD00002712
3-hydroxy-3-methylpentanedioic acid
3-Hydroxy-3-Methylglutaric Acid
Meglutol

 3-hydroxy-3-methylglutaric acid | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the SMILES notation of 3-hydroxy-3-methylglutaric acid?
A: SMILES notation of 3-hydroxy-3-methylglutaric acid is CC(O)(CC(=O)O)CC(=O)O.
Q: What is the CAS number of 3-hydroxy-3-methylglutaric acid?
A: CAS number of 3-hydroxy-3-methylglutaric acid is 503-49-1.
Q: What is the InChIKey of 3-hydroxy-3-methylglutaric acid?
A: InChIKey of 3-hydroxy-3-methylglutaric acid is NPOAOTPXWNWTSH-UHFFFAOYSA-N.
Q: What are the storage conditions for 3-hydroxy-3-methylglutaric acid?
A: Storage conditions for 3-hydroxy-3-methylglutaric acid: −20°C.
Q: What are the uses of 3-hydroxy-3-methylglutaric acid?
A: Main uses of 3-hydroxy-3-methylglutaric acid: Meglutol is an antilipemic agent which lowers cholesterol, triglycerides, serum beta-lipoproteins and phospholipids, and inhibits the activity of hydroxymethylglutarryl CoA reductases, which is the rate limiting enzyme in the biosynthesis of cholesterol.
Q: What is the English name of 3-hydroxy-3-methylglutaric acid?
A: The English name of 3-hydroxy-3-methylglutaric acid is 3-hydroxy-3-methylglutaric acid.
Q: What English synonyms does 3-hydroxy-3-methylglutaric acid have?
A: English synonyms of 3-hydroxy-3-methylglutaric acid: EINECS 207-971-1, MFCD00002712, 3-hydroxy-3-methylpentanedioic acid, 3-Hydroxy-3-Methylglutaric Acid, Meglutol.
Q: What are the downstream products of 3-hydroxy-3-methylglutaric acid?
A: Related downstream products(CAS) of 3-hydroxy-3-methylglutaric acid: 476-56-2;34695-32-4;2387-23-7;481-74-3;19115-49-2;87894-65-3;7564-64-9;674-26-0;73489-84-6;150-97-0.
Q: What are the upstream materials of 3-hydroxy-3-methylglutaric acid?
A: Related upstream materials(CAS) of 3-hydroxy-3-methylglutaric acid: 7564-64-9;89622-82-2;7440-44-0;25201-40-5;674-26-0;88205-12-3;34695-32-4;81943-18-2;73489-84-6.
Q: What is the molecular formula of 3-hydroxy-3-methylglutaric acid?
A: Molecular formula of 3-hydroxy-3-methylglutaric acid is C6H10O5.

 3-hydroxy-3-methylglutaric acidfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
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