TAPSO sodium salt - ≥99% , CAS No.105140-25-8

CAS: 105140-25-8 Cat. No.: T120624 Molecular Weight: 281.26 EC Number: 638-775-8 PubChem CID: 43835035
AVAILABLE TO ORDER
GRADE & PURITY ≥99%
Synonyms
TAPSO sodium salt | BOC-9-AMINONONANOICACID | MFCD00070009 | tapso sodium | sodium 3-(1,3-dihydroxy-2-(hydroxymethyl)propan-2-ylamino)-2-hydroxypropane-1-sulfonate | Sodium3-((1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl)amino)-2-hydroxypropane-1-sulfonate
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
T120624-5g
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$9.90

$14.90
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25g
T120624-25g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$21.90

$32.90
Save $11.00 (33.43%)
100g
T120624-100g
2

$70.90

$106.90
Save $36.00 (33.68%)
500g
T120624-500g
1

$262.90

$394.90
Save $132.00 (33.43%)
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Why this grade

≥99% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

TAPSO Sodium Salt is a biological buffer (zwitterionic) designed by Good, et al., and typically referred to as Good’s buffer useful in cell culture media formulations. Biological buffer - useful range 7.0-8.2.
A zwitterionic biological buffer, pH range: 7.0-8.2.

Specifications

Synonyms
TAPSO sodium salt | BOC-9-AMINONONANOICACID | MFCD00070009 | tapso sodium | sodium 3-(1, 3-dihydroxy-2-(hydroxymethyl)propan-2-ylamino)-2-hydroxypropane-1-sulfonate | Sodium3-((1, 3-dihydroxy-2-(hydroxymethyl)propan-2-yl)amino)-2-hydroxypropane-1-sulfonate
Specifications & Purity
≥99%
Storage
Room temperature
Shipped In
Normal
Purity
≥99%
Names and Identifiers
Canonical SmilesC(C(CS(=O)(=O)[O-])O)NC(CO)(CO)CO.[Na+]
IUPAC Namesodium;3-[[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino]-2-hydroxypropane-1-sulfonate
InChIKeyXRADYQRMWVBZEH-UHFFFAOYSA-M
INCHI1S/C7H17NO7S.Na/c9-3-7(4-10,5-11)8-1-6(12)2-16(13,14)15;/h6,8-12H,1-5H2,(H,13,14,15);/q;+1/p-1
Isomeric SMILES C(C(CS(=O)(=O)[O-])O)NC(CO)(CO)CO.[Na+]
WGK Germany 3
PubChem CID 43835035
Molecular Weight 281.26

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
SuperclassOrganic acids and derivatives
ClassOrganic sulfonic acids and derivatives
SubclassOrganosulfonic acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentOrganosulfonic acids
Alternative Parents Sulfonyls  Alkanesulfonic acids  Secondary alcohols  1,2-aminoalcohols  Dialkylamines  Primary alcohols  Organic zwitterions  Organic sodium salts  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents Organosulfonic acid - Sulfonyl - Alkanesulfonic acid - 1,2-aminoalcohol - Secondary alcohol - Secondary aliphatic amine - Secondary amine - Organic alkali metal salt - Organic nitrogen compound - Organic zwitterion - Organic salt - Organic sodium salt - Hydrocarbon derivative - Organic oxide - Primary alcohol - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Organic oxygen compound - Amine - Alcohol - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as organosulfonic acids. These are compounds containing the sulfonic acid group, which has the general structure RS(=O)2OH (R is not a hydrogen atom).
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.

12 results found

Lot NumberCertificate TypeDateItem
L2130067Certificate of AnalysisOct 11, 2025 T120624
L2130068Certificate of AnalysisOct 11, 2025 T120624
L2130069Certificate of AnalysisOct 11, 2025 T120624
F2117256Certificate of AnalysisApr 03, 2025 T120624
F2117262Certificate of AnalysisApr 03, 2025 T120624
F2119021Certificate of AnalysisApr 03, 2025 T120624
D2008034Certificate of AnalysisJan 22, 2024 T120624
B2624375Certificate of AnalysisOct 15, 2022 T120624
K2208650Certificate of AnalysisOct 15, 2022 T120624
K2208652Certificate of AnalysisOct 15, 2022 T120624
K2208653Certificate of AnalysisOct 15, 2022 T120624
K2208654Certificate of AnalysisOct 15, 2022 T120624

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Chemical and Physical Properties
Solubilitysoluble in water
Molecular Weight281.260 g/mol
XLogP3
Hydrogen Bond Donor Count5
Hydrogen Bond Acceptor Count8
Rotatable Bond Count8
Exact Mass281.055 Da
Monoisotopic Mass281.055 Da
Topological Polar Surface Area159.000 Ų
Heavy Atom Count17
Formal Charge0
Complexity279.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count1
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count2
Documents & Articles
Solution Calculators
Reviews

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