Di-p-toluoyl-L-tartaric acid - ≥99% , CAS No.32634-66-5

CAS: 32634-66-5 Cat. No.: D196348 Molecular Weight: 386.35 Beilstein Registry Number: 2022481 EC Number: 251-131-7
AVAILABLE TO ORDER
GRADE & PURITY ≥99%
Synonyms
(-)-Di-p-toluoyl-L-tartaric acid | (2R,3S)-2,3-bis(4-methylbenzoyloxy)butanedioic acid | (−)-O,O′-Di-p-toluoyl-L-tartaric acid | L-(-)-DTTA
Storage
Room temperature,Argon charged
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
D196348-5g
2
$9.90
25g
D196348-25g
3
$14.90
100g
D196348-100g
5
$18.90
250g
D196348-250g
1
$29.90
500g
D196348-500g
1
$51.90
2.5kg
D196348-2.5kg
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$194.90
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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,Argon charged 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.

Specifications

Synonyms
(-)-Di-p-toluoyl-L-tartaric acid | (2R, 3S)-2, 3-bis(4-methylbenzoyloxy)butanedioic acid | (−)-O, O′-Di-p-toluoyl-L-tartaric acid | L-(-)-DTTA
Specifications & Purity
≥99%
Application
(-)-O, O′-Di-p-toluoyl-L-tartaric acid may be used as a chiral resolving agent for the resolution of the racemic bases to isolate the (-)-enantiomeric forms. https://www.sigmaaldrich.cn/CN/en/product/aldrich/371416
Storage
Room temperature, Argon charged
Shipped In
Normal
Purity
≥99%
Names and Identifiers
Canonical SmilesCC1=CC=C(C=C1)C(=O)OC(C(C(=O)O)OC(=O)C2=CC=C(C=C2)C)C(=O)O
IUPAC Name(2R,3R)-2,3-bis[(4-methylbenzoyl)oxy]butanedioic acid
InChIKeyCMIBUZBMZCBCAT-HZPDHXFCSA-N
INCHI1S/C20H18O8/c1-11-3-7-13(8-4-11)19(25)27-15(17(21)22)16(18(23)24)28-20(26)14-9-5-12(2)6-10-14/h3-10,15-16H,1-2H3,(H,21,22)(H,23,24)/t15-,16-/m1/s1
Isomeric SMILES CC1=CC=C(C=C1)C(=O)O[C@H]([C@H](C(=O)O)OC(=O)C2=CC=C(C=C2)C)C(=O)O
WGK Germany 3
Molecular Weight 386.35
Beilstein 2022481
Reaxy-Rn 1510986
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1510986&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.

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📊 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

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
SubclassTetracarboxylic acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentTetracarboxylic acids and derivatives
Alternative Parents Benzoic acid esters  Benzoyl derivatives  Toluenes  Monosaccharides  Carboxylic acid esters  Carboxylic acids  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Tetracarboxylic acid or derivatives - Benzoate ester - Benzoic acid or derivatives - Benzoyl - Toluene - Monocyclic benzene moiety - Monosaccharide - Benzenoid - Carboxylic acid ester - Carboxylic acid - Carbonyl group - Hydrocarbon derivative - Organic oxide - Organooxygen compound - Organic oxygen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as tetracarboxylic acids and derivatives. These are carboxylic acids containing exactly four carboxyl groups.
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.

26 results found

Lot NumberCertificate TypeDateItem
K2224911Certificate of AnalysisJun 09, 2026 D196348
K2224883Certificate of AnalysisJun 09, 2026 D196348
K2224872Certificate of AnalysisJun 09, 2026 D196348
C1920111Certificate of AnalysisMay 21, 2026 D196348
G2404236Certificate of AnalysisApr 03, 2026 D196348
G2404243Certificate of AnalysisApr 03, 2026 D196348
G2404391Certificate of AnalysisApr 03, 2026 D196348
I2503070Certificate of AnalysisSep 10, 2025 D196348
B2605033Certificate of AnalysisSep 09, 2025 D196348
I2503075Certificate of AnalysisSep 09, 2025 D196348
I2503074Certificate of AnalysisSep 06, 2025 D196348
I2503073Certificate of AnalysisSep 06, 2025 D196348
I2503071Certificate of AnalysisSep 06, 2025 D196348
I2503072Certificate of AnalysisSep 05, 2025 D196348
A2507509Certificate of AnalysisDec 27, 2024 D196348
A2507508Certificate of AnalysisDec 27, 2024 D196348
G2404390Certificate of AnalysisJun 22, 2024 D196348
G2404344Certificate of AnalysisJun 22, 2024 D196348
G2404237Certificate of AnalysisJun 22, 2024 D196348
D2013132Certificate of AnalysisNov 16, 2023 D196348
L2101233Certificate of AnalysisSep 18, 2023 D196348
L2101232Certificate of AnalysisSep 18, 2023 D196348
L2101234Certificate of AnalysisSep 18, 2023 D196348
L2101252Certificate of AnalysisSep 18, 2023 D196348
K2224889Certificate of AnalysisSep 17, 2022 D196348
K2224890Certificate of AnalysisSep 17, 2022 D196348

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Chemical and Physical Properties
SensitivityMoisture sensitive
Specific Rotation[α]-139 ° (C=1, EtOH)
Melt Point(°C)164-170°C
Molecular Weight386.400 g/mol
XLogP33.300
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count8
Rotatable Bond Count9
Exact Mass386.1 Da
Monoisotopic Mass386.1 Da
Topological Polar Surface Area127.000 Ų
Heavy Atom Count28
Formal Charge0
Complexity533.000
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 Count1
Documents & Articles
Solution Calculators
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