Magnesium stearate - PharmPure™, USP, ChP, JP, BP, Ph.Eur. , CAS No.557-04-0

CAS: 557-04-0 Cat. No.: M498313 Formula: C36H70O4Mg Molecular Weight: 591.24 Beilstein Registry Number: 3919702 EC Number: 209-150-3
AVAILABLE TO ORDER
GRADE & PURITY PharmPure™ ? PharmPure™ — Aladdin's line of biopharmaceutical raw and starting materials. Use for pharma manufacturing inputs needing high purity and documentation. USP ? United States Pharmacopeia grade — meets USP monograph specs for pharmaceutical use. Use for drug manufacturing, QC, and applications requiring US compendial compliance. ChP ? Chinese Pharmacopoeia grade — meets ChP (中国药典) monograph specifications. Use for pharmaceutical work requiring compliance with Chinese standards. JP ? Japanese Pharmacopoeia grade — conforms to JP monograph standards. Use for pharmaceutical products subject to Japanese regulatory requirements. BP ? British Pharmacopoeia grade — conforms to BP monograph requirements. Use for pharmaceutical products marketed under UK/BP regulatory standards. Ph.Eur. ? European Pharmacopoeia grade — conforms to Ph.Eur. monographs across EU member states. Use for pharmaceutical work needing European compendial compliance.
Synonyms
MAGNESIUM STEARATE [MI] | Octadecanoic acid, magnesium salt (2:1) | D02189 | DTXSID2027208 | Magnesium distearate, pure | HQKMJHAJHXVSDF-UHFFFAOYSA-L | Synpro 90 | AI3-01638 | Magnesium distearate | Magnesium stearate (JP17/NF) | Dibasic magnesium stearat
Storage
Room temperature,Desiccated
Shipped In
Normal
★
Size
Germany (EU)
USA*
Price
Qty
500g
M498313-500g
—
3 In stock

€47.64

€60.65
Save €13.02 (21.46%)
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Why this grade

PharmPure™, USP, ChP, JP, BP, Ph.Eur. BP,ChP,JP,Ph.Eur.,PharmPure™,USP for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature,Desiccated Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 13 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Product features:

1.100% from plants

2. ISO 9001:2008, HACCP, Kosher, HALAL, RSPO, etc

3. Medical grade, conforming to USP, EP, JP, with DMF number

4. Magnesium oxide is prepared by one-step reaction with stearic acid, with few impurities

Specifications

Synonyms
MAGNESIUM STEARATE [MI] | Octadecanoic acid, magnesium salt (2:1) | D02189 | DTXSID2027208 | Magnesium distearate, pure | HQKMJHAJHXVSDF-UHFFFAOYSA-L | Synpro 90 | AI3-01638 | Magnesium distearate | Magnesium stearate (JP17/NF) | Dibasic magnesium stearat
Specifications & Purity
PharmPure™, USP, ChP, JP, BP, Ph.Eur.
Storage
Room temperature,Desiccated
Shipped In
Normal
Grade
BP, ChP, JP, Ph.Eur., PharmPure™, USP
Names and Identifiers
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/504752074
Canonical Smiles
CCCCCCCCCCCCCCCCCC(=O)[O-].CCCCCCCCCCCCCCCCCC(=O)[O-].[Mg+2]
IUPAC Name
magnesium;octadecanoate
InChIKey
HQKMJHAJHXVSDF-UHFFFAOYSA-L
INCHI
1S/2C18H36O2.Mg/c2*1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h2*2-17H2,1H3,(H,19,20);/q;;+2/p-2
Isomeric SMILES
CCCCCCCCCCCCCCCCCC(=O)[O-].CCCCCCCCCCCCCCCCCC(=O)[O-].[Mg+2]
RTECS
WI4390000
Molecular Weight
591.24
Beilstein
3919702
Reaxy-Rn
3919702
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=3919702&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassLipids and lipid-like molecules
ClassFatty Acyls
SubclassFatty acids and conjugates
Intermediate Tree Nodes Not available
Direct ParentLong-chain fatty acids
Alternative Parents Straight chain fatty acids  Carboxylic acid salts  Monocarboxylic acids and derivatives  Carboxylic acids  Organic salts  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkNot available
Substituents Long-chain fatty acid - Straight chain fatty acid - Carboxylic acid salt - Monocarboxylic acid or derivatives - Carboxylic acid - Carboxylic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organic salt - Organooxygen compound - Carbonyl group - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as long-chain fatty acids. These are fatty acids with an aliphatic tail that contains between 13 and 21 carbon atoms.
External Descriptors magnesium salt
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

11 results found

Lot NumberCertificate TypeDateItem
G2607098Certificate of AnalysisJul 01, 2026 M498313
G2607099Certificate of AnalysisJul 01, 2026 M498313
E2614168Certificate of AnalysisApr 29, 2026 M498313
E2614169Certificate of AnalysisApr 29, 2026 M498313
K2517838Certificate of AnalysisNov 12, 2025 M498313
K2517839Certificate of AnalysisNov 12, 2025 M498313
I2509367Certificate of AnalysisJul 30, 2025 M498313
I2509731Certificate of AnalysisJul 30, 2025 M498313
H2328148Certificate of AnalysisJul 25, 2023 M498313
H2328658Certificate of AnalysisJul 25, 2023 M498313
K2425043Certificate of AnalysisJul 25, 2023 M498313
Chemical and Physical Properties
Molecular Weight591.200 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count4
Rotatable Bond Count30
Exact Mass590.512 Da
Monoisotopic Mass590.512 Da
Topological Polar Surface Area80.300 Ų
Heavy Atom Count41
Formal Charge0
Complexity196.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count3
Documents & Articles
Citations of This Product
Solution Calculators
Reviews

Customer Reviews

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