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Dithiolanes

Organosulfur heterocyclic compounds that consist of a five-membered ring with two sulfur atoms and three carbon atoms.
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1

MilliporeSigma™ 5-Carboxyfluorescein Diacetate, Calbiochem™,

CAS: 79955-27-4 Molecular Formula: C25H16O9 Molecular Weight (g/mol): 460.394 InChI Key: WPUZGNPQMIWOHE-UHFFFAOYSA-N Synonym: 5-carboxyfluorescein diacetate,5-cfda,3',6'-diacetoxy-3-oxo-3h-spiro isobenzofuran-1,9'-xanthene-5-carboxylic acid,5-carboxy-di-o-acetylfluorescein,3',6'-diacetyloxy-3-oxospiro 2-benzofuran-1,9'-xanthene-5-carboxylic acid,cfda-5,spiro isobenzofuran-1 3h ,9'-9h xanthene-5-carboxylicacid, 3',6'-bis acetyloxy-3-oxo,3',6'-bis acetyloxy-3-oxospiro 2-benzofuran-1,9'-xanthene-5-carboxylic acid,3',6'-bis acetyloxy-3-oxospiro isobenzofuran-1 3h ,9'-9h xanthene-5-carboxylic acid,3',6'-diacetoxy-3-oxo-3h-spiro 2-benzofuran-1,9'-xanthene-5-carboxylic acid PubChem CID: 133314 IUPAC Name: 3',6'-diacetyloxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-carboxylic acid SMILES: CC(=O)OC1=CC2=C(C=C1)C3(C4=C(C=C(C=C4)C(=O)O)C(=O)O3)C5=C(O2)C=C(C=C5)OC(=O)C

PubChem CID 133314
CAS 79955-27-4
Molecular Weight (g/mol) 460.394
SMILES CC(=O)OC1=CC2=C(C=C1)C3(C4=C(C=C(C=C4)C(=O)O)C(=O)O3)C5=C(O2)C=C(C=C5)OC(=O)C
Synonym 5-carboxyfluorescein diacetate,5-cfda,3',6'-diacetoxy-3-oxo-3h-spiro isobenzofuran-1,9'-xanthene-5-carboxylic acid,5-carboxy-di-o-acetylfluorescein,3',6'-diacetyloxy-3-oxospiro 2-benzofuran-1,9'-xanthene-5-carboxylic acid,cfda-5,spiro isobenzofuran-1 3h ,9'-9h xanthene-5-carboxylicacid, 3',6'-bis acetyloxy-3-oxo,3',6'-bis acetyloxy-3-oxospiro 2-benzofuran-1,9'-xanthene-5-carboxylic acid,3',6'-bis acetyloxy-3-oxospiro isobenzofuran-1 3h ,9'-9h xanthene-5-carboxylic acid,3',6'-diacetoxy-3-oxo-3h-spiro 2-benzofuran-1,9'-xanthene-5-carboxylic acid
IUPAC Name 3',6'-diacetyloxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-carboxylic acid
InChI Key WPUZGNPQMIWOHE-UHFFFAOYSA-N
Molecular Formula C25H16O9
2

5-Carboxyfluorescein Diacetate 93.0+%, TCI America™

CAS: 79955-27-4 Molecular Formula: C25H16O9 Molecular Weight (g/mol): 460.394 MDL Number: MFCD00036872 InChI Key: WPUZGNPQMIWOHE-UHFFFAOYSA-N Synonym: 5-carboxyfluorescein diacetate,5-cfda,3',6'-diacetoxy-3-oxo-3h-spiro isobenzofuran-1,9'-xanthene-5-carboxylic acid,5-carboxy-di-o-acetylfluorescein,3',6'-diacetyloxy-3-oxospiro 2-benzofuran-1,9'-xanthene-5-carboxylic acid,cfda-5,spiro isobenzofuran-1 3h ,9'-9h xanthene-5-carboxylicacid, 3',6'-bis acetyloxy-3-oxo,3',6'-bis acetyloxy-3-oxospiro 2-benzofuran-1,9'-xanthene-5-carboxylic acid,3',6'-bis acetyloxy-3-oxospiro isobenzofuran-1 3h ,9'-9h xanthene-5-carboxylic acid,3',6'-diacetoxy-3-oxo-3h-spiro 2-benzofuran-1,9'-xanthene-5-carboxylic acid PubChem CID: 133314 IUPAC Name: 3',6'-diacetyloxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-carboxylic acid SMILES: CC(=O)OC1=CC2=C(C=C1)C3(C4=C(C=C(C=C4)C(=O)O)C(=O)O3)C5=C(O2)C=C(C=C5)OC(=O)C

PubChem CID 133314
CAS 79955-27-4
Molecular Weight (g/mol) 460.394
MDL Number MFCD00036872
SMILES CC(=O)OC1=CC2=C(C=C1)C3(C4=C(C=C(C=C4)C(=O)O)C(=O)O3)C5=C(O2)C=C(C=C5)OC(=O)C
Synonym 5-carboxyfluorescein diacetate,5-cfda,3',6'-diacetoxy-3-oxo-3h-spiro isobenzofuran-1,9'-xanthene-5-carboxylic acid,5-carboxy-di-o-acetylfluorescein,3',6'-diacetyloxy-3-oxospiro 2-benzofuran-1,9'-xanthene-5-carboxylic acid,cfda-5,spiro isobenzofuran-1 3h ,9'-9h xanthene-5-carboxylicacid, 3',6'-bis acetyloxy-3-oxo,3',6'-bis acetyloxy-3-oxospiro 2-benzofuran-1,9'-xanthene-5-carboxylic acid,3',6'-bis acetyloxy-3-oxospiro isobenzofuran-1 3h ,9'-9h xanthene-5-carboxylic acid,3',6'-diacetoxy-3-oxo-3h-spiro 2-benzofuran-1,9'-xanthene-5-carboxylic acid
IUPAC Name 3',6'-diacetyloxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-carboxylic acid
InChI Key WPUZGNPQMIWOHE-UHFFFAOYSA-N
Molecular Formula C25H16O9
3

(R)-alpha-Lipoic Acid 98.0+%, TCI America™

CAS: 1200-22-2 Molecular Formula: C8H14O2S2 Molecular Weight (g/mol): 206.32 MDL Number: MFCD01631142 InChI Key: AGBQKNBQESQNJD-SSDOTTSWSA-N Synonym: (R)-Thioctic Acid, (R)-1,2-Dithiolane-3-valeric Acid PubChem CID: 6112 ChEBI: CHEBI:30314 IUPAC Name: 5-[(3R)-1,2-dithiolan-3-yl]pentanoic acid SMILES: OC(=O)CCCC[C@@H]1CCSS1

PubChem CID 6112
CAS 1200-22-2
Molecular Weight (g/mol) 206.32
ChEBI CHEBI:30314
MDL Number MFCD01631142
SMILES OC(=O)CCCC[C@@H]1CCSS1
Synonym (R)-Thioctic Acid, (R)-1,2-Dithiolane-3-valeric Acid
IUPAC Name 5-[(3R)-1,2-dithiolan-3-yl]pentanoic acid
InChI Key AGBQKNBQESQNJD-SSDOTTSWSA-N
Molecular Formula C8H14O2S2
4

5-Carboxyfluorescein N-Succinimidyl Ester 95.0+%, TCI America™

CAS: 92557-80-7 Molecular Formula: C25H15NO9 Molecular Weight (g/mol): 473.393 MDL Number: MFCD00077322 InChI Key: GECIDMICWWDIBO-UHFFFAOYSA-N PubChem CID: 2762599 IUPAC Name: (2,5-dioxopyrrolidin-1-yl) 3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-carboxylate SMILES: C1CC(=O)N(C1=O)OC(=O)C2=CC3=C(C=C2)C4(C5=C(C=C(C=C5)O)OC6=C4C=CC(=C6)O)OC3=O

PubChem CID 2762599
CAS 92557-80-7
Molecular Weight (g/mol) 473.393
MDL Number MFCD00077322
SMILES C1CC(=O)N(C1=O)OC(=O)C2=CC3=C(C=C2)C4(C5=C(C=C(C=C5)O)OC6=C4C=CC(=C6)O)OC3=O
IUPAC Name (2,5-dioxopyrrolidin-1-yl) 3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-carboxylate
InChI Key GECIDMICWWDIBO-UHFFFAOYSA-N
Molecular Formula C25H15NO9
5

Biphenyl-3,3',5,5'-tetracarboxylic Acid 98.0+%, TCI America™

CAS: 4371-28-2 Molecular Formula: C16H10O8 Molecular Weight (g/mol): 330.248 MDL Number: MFCD16621475 InChI Key: QURGMSIQFRADOZ-UHFFFAOYSA-N PubChem CID: 15840397 IUPAC Name: 5-(3,5-dicarboxyphenyl)benzene-1,3-dicarboxylic acid SMILES: C1=C(C=C(C=C1C(=O)O)C(=O)O)C2=CC(=CC(=C2)C(=O)O)C(=O)O

PubChem CID 15840397
CAS 4371-28-2
Molecular Weight (g/mol) 330.248
MDL Number MFCD16621475
SMILES C1=C(C=C(C=C1C(=O)O)C(=O)O)C2=CC(=CC(=C2)C(=O)O)C(=O)O
IUPAC Name 5-(3,5-dicarboxyphenyl)benzene-1,3-dicarboxylic acid
InChI Key QURGMSIQFRADOZ-UHFFFAOYSA-N
Molecular Formula C16H10O8
6

5-Carboxyfluorescein Hydrate 97.0+%, TCI America™

CAS: 76823-03-5 Molecular Formula: C21H12O7 Molecular Weight (g/mol): 376.32 MDL Number: MFCD00036874 InChI Key: NJYVEMPWNAYQQN-UHFFFAOYSA-N Synonym: 5-carboxyfluorescein,5-fam,4-carboxyfluorescein,4 5-carboxyfluorescein,3',6'-dihydroxy-3-oxo-3h-spiro isobenzofuran-1,9'-xanthene-5-carboxylic acid,3',6'-dihydroxy-3-oxo-3h-spiro 2-benzofuran-1,9'-xanthene-5-carboxylic acid,3',6'-dihydroxy-3-oxospiro 2-benzofuran-1,9'-xanthene-5-carboxylic acid,spiro isobenzofuran-1 3h ,9'-9h xanthene-5-carboxylic acid, 3',6-dihydroxy-3-oxo,bidd:gt0758,5-carboxy fluorescein; 5-fam PubChem CID: 123755 ChEBI: CHEBI:51617 IUPAC Name: 3',6'-dihydroxy-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-5-carboxylic acid SMILES: OC(=O)C1=CC=C2C(=C1)C(=O)OC21C2=CC=C(O)C=C2OC2=CC(O)=CC=C12

PubChem CID 123755
CAS 76823-03-5
Molecular Weight (g/mol) 376.32
ChEBI CHEBI:51617
MDL Number MFCD00036874
SMILES OC(=O)C1=CC=C2C(=C1)C(=O)OC21C2=CC=C(O)C=C2OC2=CC(O)=CC=C12
Synonym 5-carboxyfluorescein,5-fam,4-carboxyfluorescein,4 5-carboxyfluorescein,3',6'-dihydroxy-3-oxo-3h-spiro isobenzofuran-1,9'-xanthene-5-carboxylic acid,3',6'-dihydroxy-3-oxo-3h-spiro 2-benzofuran-1,9'-xanthene-5-carboxylic acid,3',6'-dihydroxy-3-oxospiro 2-benzofuran-1,9'-xanthene-5-carboxylic acid,spiro isobenzofuran-1 3h ,9'-9h xanthene-5-carboxylic acid, 3',6-dihydroxy-3-oxo,bidd:gt0758,5-carboxy fluorescein; 5-fam
IUPAC Name 3',6'-dihydroxy-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-5-carboxylic acid
InChI Key NJYVEMPWNAYQQN-UHFFFAOYSA-N
Molecular Formula C21H12O7
7

4-Hydroxyisophthalic Acid 98.0+%, TCI America™

CAS: 636-46-4 Molecular Formula: C8H6O5 Molecular Weight (g/mol): 182.131 MDL Number: MFCD00010391 InChI Key: BCEQKAQCUWUNML-UHFFFAOYSA-N Synonym: 4-hydroxyisophthalic acid,eupirina,4-hydroxy-m-phthalic acid,isophthalic acid, 4-hydroxy,4-hipa,4-hydroxy-1,3-benzenedicarboxylic acid,unii-p87ff77o00,1,3-benzenedicarboxylic acid, 4-hydroxy,4-hydroxy isophthalic acid,4-hydroxyisophthalate PubChem CID: 12490 IUPAC Name: 4-hydroxybenzene-1,3-dicarboxylic acid SMILES: C1=CC(=C(C=C1C(=O)O)C(=O)O)O

PubChem CID 12490
CAS 636-46-4
Molecular Weight (g/mol) 182.131
MDL Number MFCD00010391
SMILES C1=CC(=C(C=C1C(=O)O)C(=O)O)O
Synonym 4-hydroxyisophthalic acid,eupirina,4-hydroxy-m-phthalic acid,isophthalic acid, 4-hydroxy,4-hipa,4-hydroxy-1,3-benzenedicarboxylic acid,unii-p87ff77o00,1,3-benzenedicarboxylic acid, 4-hydroxy,4-hydroxy isophthalic acid,4-hydroxyisophthalate
IUPAC Name 4-hydroxybenzene-1,3-dicarboxylic acid
InChI Key BCEQKAQCUWUNML-UHFFFAOYSA-N
Molecular Formula C8H6O5
8

Sigma Aldrich Fine Chemicals Biosciences (R)-(+)-alpha-Lipoic acid >=98.0% (HPLC) | 1200-22-2 | MFCD01631142 | 500MG

(R)-(+)-alpha-Lipoic acid >=98.0% (HPLC) | Purity: >=98.0% (HPLC) | Mol Wt: 206.33 | 1200-22-2 | MFCD01631142 | 500MG

ENCOMPASS
9

Sigma Aldrich Fine Chemicals Biosciences 5-Carboxyfluorescein BioReagent, suitable for fluorescence, >=95% (HPLC) | 76823-03-5 | MFCD00036874 | 100MG

5-Carboxyfluorescein BioReagent, suitable for fluorescence, >=95% (HPLC) | Purity: >=95% (HPLC) | Mol Wt: 376.32 | 76823-03-5 | MFCD00036874 | 100MG

ENCOMPASS
10

Medchemexpress LLC Rac-α-Lipoic Acid-D5 | 1189471-66-6 | 211.36 | 5 MG
SDP

rac α-Lipoic Acid-d5 is a fat-metabolism stimulator, analyzed by RP-HPLC. This product is for research use only and not intended for diagnostic or therapeutic use.

  • Analyzed by RP-HPLC
  • For research use only
  • Not intended for diagnostic or therapeutic use

ENCOMPASS_PREFERRED
11

Medchemexpress LLC Lipoic acid (standard) | 1200-22-2 | 99.83% | 206.33 | 50 MG
SDP

Lipoic acid (Standard) is the analytical standard of Lipoic acid, intended for research and analytical applications. Lipoic acid is an antioxidant and an essential cofactor of mitochondrial enzyme complexes. (R)-(+)-α-Lipoic acid is more effective than racemic Lipoic acid.

  • Used as a reference standard supplied assay
  • Commonly utilized in qualitative, quantitative, and methodological research experiments in HPLC, GC, and MS

ENCOMPASS_PREFERRED
12

Medchemexpress LLC R-(+)-α-lipoic acid | 1200-22-2 | MFCD01631142 | 99.4% | 206.33 | C8H14O2S2 | 10 MG
SDP

Analytical standard of (R)-(+)-α-lipoic acid intended for research and analytical applications such as HPLC, GC, and MS. It is used as a quantitative and qualitative reference material for method development, calibration, and validation in biochemical and pharmaceutical analysis.

  • High purity suitable for analytical assays (99.36%).
  • Defined chemical identity for accurate reference (C8H14O2S2, MW 206.33).
  • Compact 10 mg packaging for analytical use and method validation.
  • Stable under recommended storage; consult the certificate of analysis for handling.

ENCOMPASS_PREFERRED
13

Medchemexpress LLC Isophthalic acid | 121-91-5 | 100.0% | 166.13 | 50 G
SDP

Isophthalic acid is a biological material or organic compound extensively utilized in life science research.

  • Purity of 99.96%
  • Molecular weight of 166.13
  • Formula C8H6O4
  • CAS number 121-91-5
  • Solid appearance
  • White to off-white color
  • Ships at room temperature
  • Powder storage at -20°C for 3 years, 4°C for 2 years
  • Storage in solvent at -80°C for 6 months, -20°C for 1 month
  • Solubility of 200 mg/mL in DMSO

ENCOMPASS_PREFERRED
14

Medchemexpress LLC (R)-(+)-α-Lipoic acid | 1200-22-2 | MFCD01631142 | 99.8% | 206.33 | 25 MG
SDP

Lipoic acid (Standard) is the analytical standard of Lipoic acid, intended for research and analytical applications. It is an antioxidant and an essential cofactor of mitochondrial enzyme complexes. The (R)-(+)-α-Lipoic acid form is more effective than racemic Lipoic acid and is the form biosynthesized in humans. It plays a vitamin-like role in metabolism and is nutritionally and therapeutically preferred as an antioxidant.

  • Suitable for qualitative, quantitative, and methodological research experiments in HPLC, GC, and MS.
  • Essential cofactor for mitochondrial enzyme complexes.
  • Plays a vitamin-like role in metabolism.
  • Nutritionally and therapeutically preferred as an antioxidant.

ENCOMPASS_PREFERRED
15

Medchemexpress LLC Lipoic acid (Standard) | 1200-22-2 | 99.8% | 206.33 | 100 MG
SDP

Lipoic acid (Standard) is the analytical standard of Lipoic acid, intended for research and analytical applications. It acts as an antioxidant and is an essential cofactor of mitochondrial enzyme complexes. The (R)-(+)-α-Lipoic acid is more effective than racemic Lipoic acid. This compound is used as a reference standard in qualitative, quantitative, and methodological research experiments.

  • Acts as an antioxidant
  • Serves as an essential cofactor of mitochondrial enzyme complexes
  • More effective than racemic Lipoic acid
  • Used as a reference standard in qualitative, quantitative, and methodological research experiments
  • Applicable in techniques such as HPLC, GC, and MS

ENCOMPASS_PREFERRED