Octacalcium phosphate - Bio-medical grade, ≥98%, <70μm , CAS No.13767-12-9

CAS: 13767-12-9 Cat. No.: O139926 Molecular Weight: 892.24(as Anhydrous) PubChem CID: 123896
AVAILABLE TO ORDER
GRADE & PURITY Bio-medical grade ? Bio-medical grade — quality for biomedical and device-contact use. Use where biocompatibility and controlled purity are needed. ≥98% <70μm
Synonyms
octacalcium phosphate|13767-12-9|Phosphoric acid, calcium salt (3:4)|tetracalcium;hydrogen phosphate;diphosphate|Octacalcium dihydrogen phosphate|DTXSID50160264|Q7076684
Shipped In
Normal
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Size
Status
Price
Qty
5g
O139926-5g
9
$340.90
25g
O139926-25g
3
$1,168.90
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Why this grade

Bio-medical grade, ≥98%, <70μm Bio-medical grade for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

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

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Literature proof

Cited in 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
octacalcium phosphate | 13767-12-9 | Phosphoric acid, calcium salt (3:4) | tetracalcium;hydrogen phosphate;diphosphate | Octacalcium dihydrogen phosphate | DTXSID50160264 | Q7076684
Specifications & Purity
Bio-medical grade, ≥98%, <70μm
Shipped In
Normal
Grade
Bio-medical grade
Purity
≥98%
Names and Identifiers
Pubchem Sid488187779
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488187779
Canonical SmilesOP(=O)([O-])[O-].[O-]P(=O)([O-])[O-].[O-]P(=O)([O-])[O-].[Ca+2].[Ca+2].[Ca+2].[Ca+2]
IUPAC Nametetracalcium;hydrogen phosphate;diphosphate
InChIKeyYIGWVOWKHUSYER-UHFFFAOYSA-F
INCHI1S/4Ca.3H3O4P/c;;;;3*1-5(2,3)4/h;;;;3*(H3,1,2,3,4)/q4*+2;;;/p-8
Isomeric SMILES OP(=O)([O-])[O-].[O-]P(=O)([O-])[O-].[O-]P(=O)([O-])[O-].[Ca+2].[Ca+2].[Ca+2].[Ca+2]
PubChem CID 123896
Molecular Weight 892.24(as Anhydrous)

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.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomInorganic compounds
SuperclassMixed metal/non-metal compounds
ClassAlkaline earth metal oxoanionic compounds
SubclassAlkaline earth metal phosphates
Intermediate Tree Nodes Not available
Direct ParentAlkaline earth metal phosphates
Alternative Parents Inorganic oxides  Inorganic calcium salts  
Molecular FrameworkNot available
Substituents Alkaline earth metal phosphate - Inorganic calcium salt - Inorganic oxide - Inorganic salt
DescriptionThis compound belongs to the class of inorganic compounds known as alkaline earth metal phosphates. These are inorganic compounds in which the largest oxoanion is phosphate, and in which the heaviest atom not in an oxoanion is an alkaline earth metal.
External Descriptors Not available
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.

3 results found

Lot NumberCertificate TypeDateItem
E2216090Certificate of AnalysisFeb 04, 2026 O139926
D2324194Certificate of AnalysisMar 05, 2022 O139926
E2216098Certificate of AnalysisMar 05, 2022 O139926
Chemical and Physical Properties
Molecular Weight446.230 g/mol
XLogP3
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count12
Rotatable Bond Count0
Exact Mass445.718 Da
Monoisotopic Mass445.718 Da
Topological Polar Surface Area256.000 Ų
Heavy Atom Count19
Formal Charge0
Complexity83.400
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 Count7
Citations of This Product
References
1. Kyeong-Tae Kim, Sidra Sadaf Nisar, Han-Cheol Choe.  (2024)  Mechanical octacalcium phosphate coatings on the plasma electrolytic oxidized pure titanium for bio-implant use.  SURFACE & COATINGS TECHNOLOGY,      [PMID:] [10.1016/j.surfcoat.2024.130602]
2. Mingdong Yan, Yanjing Ou, Ruimin Liu, Changfu Xie, Jiang Chen.  (2026)  Chitin nanowhiskers/octacalcium phosphate synergistically reinforced chitosan hydrogel for enhanced bone regeneration.  Journal of Biological Engineering,      [PMID:41851790] [10.1186/s13036-026-00647-8]
Solution Calculators
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