Levomefolate calcium - ≥95% , CAS No.151533-22-1

CAS: 151533-22-1 Cat. No.: L302964 Molecular Weight: 497.52 EC Number: 691-636-3
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
CALCIUM L-5-METHYLTETRAHYDROFOLATE [DSC] | Rhenium, wire reel, 0.2m, diameter 0.076mm, annealed, 99.97% | BAY86-7660 | Levomefolate calcium | L-5-mthf-ca | Q27273818 | Levomefolinate calcium | NDI 638 | Metafolin | A9R10K3F2F | calcium (2S)-2-[4-({[(6S)-2
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
50mg
L302964-50mg
3
$29.90
250mg
L302964-250mg
3
$78.90
1g
L302964-1g
3
$220.90
5g
L302964-5g
2
$611.90
Enter a quantity for the sizes you want to add.
🧪

Why this grade

≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at -20°C Ships Ice chest + Ice pads 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 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
CALCIUM L-5-METHYLTETRAHYDROFOLATE [DSC] | Rhenium, wire reel, 0.2m, diameter 0.076mm, annealed, 99.97% | BAY86-7660 | Levomefolate calcium | L-5-mthf-ca | Q27273818 | Levomefolinate calcium | NDI 638 | Metafolin | A9R10K3F2F | calcium (2S)-2-[4-({[(6S)-2
Specifications & Purity
≥95%
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥95%
Names and Identifiers
Pubchem Sid504773382
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504773382
Canonical SmilesCN1C(CNC2=C1C(=O)NC(=N2)N)CNC3=CC=C(C=C3)C(=O)NC(CCC(=O)[O-])C(=O)[O-].[Ca+2]
IUPAC Namecalcium;(2S)-2-[[4-[[(6S)-2-amino-5-methyl-4-oxo-3,6,7,8-tetrahydropteridin-6-yl]methylamino]benzoyl]amino]pentanedioate
InChIKeyVWBBRFHSPXRJQD-QNTKWALQSA-L
INCHI1S/C20H25N7O6.Ca/c1-27-12(9-23-16-15(27)18(31)26-20(21)25-16)8-22-11-4-2-10(3-5-11)17(30)24-13(19(32)33)6-7-14(28)29;/h2-5,12-13,22H,6-9H2,1H3,(H,24,30)(H,28,29)(H,32,33)(H4,21,23,25,26,31);/q;+2/p-2/t12-,13-;/m0./s1
Isomeric SMILES CN1[C@H](CNC2=C1C(=O)NC(=N2)N)CNC3=CC=C(C=C3)C(=O)N[C@@H](CCC(=O)[O-])C(=O)[O-].[Ca+2]
Molecular Weight 497.52
Reaxy-Rn 14725503
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=14725503&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
SuperclassOrganoheterocyclic compounds
ClassPteridines and derivatives
SubclassPterins and derivatives
Intermediate Tree Nodes Tetrahydropteroic acids and derivatives - Tetrahydrofolic acids and derivatives
Direct ParentTetrahydrofolic acids
Alternative Parents Glutamic acid and derivatives  N-acyl-alpha amino acids  Hippuric acids  Aminobenzamides  Benzoyl derivatives  Dialkylarylamines  Phenylalkylamines  Aniline and substituted anilines  Secondary alkylarylamines  Pyrimidones  Aminopyrimidines and derivatives  Dicarboxylic acids and derivatives  Vinylogous amides  Heteroaromatic compounds  Secondary carboxylic acid amides  Carboxylic acid salts  Amino acids  Carboxylic acids  Organic calcium salts  Azacyclic compounds  Carbonyl compounds  Hydrocarbon derivatives  Organic oxides  Organic zwitterions  Organopnictogen compounds  Primary amines  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Tetrahydrofolic acid - Glutamic acid or derivatives - N-acyl-alpha amino acid or derivatives - N-acyl-alpha-amino acid - Hippuric acid - Hippuric acid or derivatives - Alpha-amino acid or derivatives - Aminobenzamide - Aminobenzoic acid or derivatives - Benzoic acid or derivatives - Benzamide - Benzoyl - Phenylalkylamine - Aniline or substituted anilines - Dialkylarylamine - Tertiary aliphatic/aromatic amine - Pyrimidone - Secondary aliphatic/aromatic amine - Aminopyrimidine - Monocyclic benzene moiety - Dicarboxylic acid or derivatives - Pyrimidine - Benzenoid - Vinylogous amide - Heteroaromatic compound - Tertiary amine - Amino acid or derivatives - Secondary carboxylic acid amide - Amino acid - Carboxamide group - Carboxylic acid salt - Secondary amine - Organic calcium salt - Carboxylic acid derivative - Carboxylic acid - Azacycle - Organonitrogen compound - Carbonyl group - Hydrocarbon derivative - Organooxygen compound - Organic nitrogen compound - Organic oxide - Primary amine - Organic oxygen compound - Organic salt - Organic zwitterion - Amine - Organopnictogen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as tetrahydrofolic acids. These are heterocyclic compounds based on the 5,6,7,8-tetrahydropteroic acid skeleton conjugated with at least one L-glutamic acid unit.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
Homo sapiens (32628 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
rep Replicase polyprotein 1ab (378 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
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.

4 results found

Lot NumberCertificate TypeDateItem
K2219495Certificate of AnalysisSep 11, 2025 L302964
K2219486Certificate of AnalysisSep 04, 2025 L302964
K2219487Certificate of AnalysisSep 04, 2025 L302964
K2219488Certificate of AnalysisSep 04, 2025 L302964
Chemical and Physical Properties
SensitivityMoisture sensitive
Molecular Weight497.500 g/mol
XLogP3
Hydrogen Bond Donor Count5
Hydrogen Bond Acceptor Count10
Rotatable Bond Count7
Exact Mass497.134 Da
Monoisotopic Mass497.134 Da
Topological Polar Surface Area204.000 Ų
Heavy Atom Count34
Formal Charge0
Complexity854.000
Isotope Atom Count0
Defined Atom Stereocenter Count2
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count2
Citations of This Product
References
1. Linlin He, Yuqian Yan, Gang Zhang, Yanna Zhao, Fa Zhao, Zhuang Ding, Zhengping Wang.  (2024)  Non-Covalent Interaction of Folic Acid and 5-Methyltetrahydrofolate with Caseinates Improves the Folates Stability Studied by Multi-Spectroscopic Analysis and Molecular Docking.  Foods,  13  (17): (2756).  [PMID:39272522] [10.3390/foods13172756]
2. Linlin He, Yuqian Yan, Dandan Song, Shuangfeng Li, Yanna Zhao, Zhuang Ding, Zhengping Wang.  (2024)  Comparison of Interactions Between Soy Protein Isolate and Three Folate Molecules: Effect on the Stabilization, Degradation, and Oxidization of Folates and Protein.  Foods,  13  (24): (4033).  [PMID:39766975] [10.3390/foods13244033]
Solution Calculators
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