Tosyl compounds
p-Toluenesulfonylacetic acid, 98%
CAS: 3937-96-0 Molecular Formula: C9H10O4S Molecular Weight (g/mol): 214.235 MDL Number: MFCD00021764 InChI Key: AQDHXMBUTDLAMD-UHFFFAOYSA-N Synonym: 2-tosylacetic acid,4-toluenesulfonylacetic acid,4-methylphenyl sulfonyl acetic acid,2-p-toluenesulfonyl acetic acid,tosylacetic acid,unii-yid78nf77o,p-toluenesulphonylacetic acid,4-toluenesulphonylacetic acid,p-toluenesulfonylacetic acid,yid78nf77o PubChem CID: 77538 IUPAC Name: 2-(4-methylphenyl)sulfonylacetic acid SMILES: CC1=CC=C(C=C1)S(=O)(=O)CC(=O)O
2-(p-Toluenesulfonyl)acetic Acid 98.0+%, TCI America™
CAS: 3937-96-0 Molecular Formula: C9H10O4S Molecular Weight (g/mol): 214.235 MDL Number: MFCD00021764 InChI Key: AQDHXMBUTDLAMD-UHFFFAOYSA-N Synonym: 2-tosylacetic acid,4-toluenesulfonylacetic acid,4-methylphenyl sulfonyl acetic acid,2-p-toluenesulfonyl acetic acid,tosylacetic acid,unii-yid78nf77o,p-toluenesulphonylacetic acid,4-toluenesulphonylacetic acid,p-toluenesulfonylacetic acid,yid78nf77o PubChem CID: 77538 IUPAC Name: 2-(4-methylphenyl)sulfonylacetic acid SMILES: CC1=CC=C(C=C1)S(=O)(=O)CC(=O)O
Sigma Aldrich P-Toluenesulfonic Acid Monohydrate
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Sigma Aldrich 2-Methyl-1,3-dioxolane-2-carboxylic acid
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Sigma Aldrich 4-Benzyl-2-methylpiperazine-1-carboxylic acid tert-butyl ester
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
Sigma Aldrich 1-(4-Methoxybenzyl)-3-methyl-1H-pyrazole-5-carboxylic acid
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Potassium p-Toluenethiosulfonate 98.0+%, TCI America™
CAS: 28519-50-8 Molecular Formula: C7H7KO2S2 Molecular Weight (g/mol): 226.349 MDL Number: MFCD00003547 InChI Key: RUDNWZFWWJFUSF-UHFFFAOYSA-M Synonym: p-Toluenethiosulfonic Acid Potassium Salt PubChem CID: 23662126 IUPAC Name: potassium;(4-methylphenyl)-oxido-oxo-sulfanylidene-$l^{6}-sulfane SMILES: CC1=CC=C(C=C1)S(=O)(=S)[O-].[K+]
S-p-Tolyl p-Toluenesulfonothioate 98.0+%, TCI America™
CAS: 2943-42-2 Molecular Formula: C14H14O2S2 Molecular Weight (g/mol): 278.38 MDL Number: MFCD00092126 InChI Key: HSAROCRPZOYKGS-UHFFFAOYSA-N Synonym: p-Toluenesulfonothioic Acid S-p-Tolyl Ester PubChem CID: 257647 IUPAC Name: 1-methyl-4-[(4-methylbenzenesulfonyl)sulfanyl]benzene SMILES: CC1=CC=C(SS(=O)(=O)C2=CC=C(C)C=C2)C=C1
p-Toluenesulfonyl Chloride 99.0+%, TCI America™
CAS: 98-59-9 Molecular Formula: C7H7ClO2S Molecular Weight (g/mol): 190.64 MDL Number: MFCD00007450 InChI Key: YYROPELSRYBVMQ-UHFFFAOYSA-N Synonym: tosyl chloride,p-toluenesulfonyl chloride,p-tosyl chloride,4-toluenesulfonyl chloride,p-toluenesulfochloride,4-methylbenzene-1-sulfonyl chloride,p-tolylsulfonyl chloride,p-toluenesulphonyl chloride,tosylchloride,p-toluenesulfonic acid chloride PubChem CID: 7397 IUPAC Name: 4-methylbenzene-1-sulfonyl chloride SMILES: CC1=CC=C(C=C1)S(Cl)(=O)=O
p-Toluenesulfonyl chloride, 99+%
CAS: 98-59-9 Molecular Formula: C7H7ClO2S Molecular Weight (g/mol): 190.64 MDL Number: MFCD00007450 InChI Key: YYROPELSRYBVMQ-UHFFFAOYSA-N Synonym: tosyl chloride,p-toluenesulfonyl chloride,p-tosyl chloride,4-toluenesulfonyl chloride,p-toluenesulfochloride,4-methylbenzene-1-sulfonyl chloride,p-tolylsulfonyl chloride,p-toluenesulphonyl chloride,tosylchloride,p-toluenesulfonic acid chloride PubChem CID: 7397 IUPAC Name: 4-methylbenzenesulfonyl chloride SMILES: CC1=CC=C(C=C1)S(Cl)(=O)=O
p-Toluenesulfonyl chloride, 98%
CAS: 98-59-9 Molecular Formula: C7H7ClO2S Molecular Weight (g/mol): 190.64 MDL Number: MFCD00007450 InChI Key: YYROPELSRYBVMQ-UHFFFAOYSA-N Synonym: tosyl chloride,p-toluenesulfonyl chloride,p-tosyl chloride,4-toluenesulfonyl chloride,p-toluenesulfochloride,4-methylbenzene-1-sulfonyl chloride,p-tolylsulfonyl chloride,p-toluenesulphonyl chloride,tosylchloride,p-toluenesulfonic acid chloride PubChem CID: 7397 IUPAC Name: 4-methylbenzenesulfonyl chloride SMILES: CC1=CC=C(C=C1)S(Cl)(=O)=O
Medchemexpress LLC 4-(3-tosyl-2-(tosylmethyl)propanoyl)benzoic acid (bis-sulfone acid) | 124243-00-1 | MFCD28142486 | 97.7% | 500.58 g/mol | C25H24O7S2 | 25 MG
4-(3-tosyl-2-(tosylmethyl)propanoyl)benzoic acid is a bifunctional bis-sulfone carboxylic acid used as a covalent linker in conjugation chemistry. It contains a free carboxylic acid and two tosyl groups that can participate in Michael-type additions, enabling site-selective conjugation and linker installation for small-molecule and bioconjugation applications.
- contains a free carboxylic acid for conjugation
- two tosyl groups enable Michael-type additions
- high purity suitable for research applications
- available in multiple small sizes for laboratory use
Medchemexpress LLC 4-(3-tosyl-2-(tosylmethyl)propanoyl)benzoic acid | 124243-00-1 | MFCD28142486 | 500.58 g/mol | C25H24O7S2 | 5 MG
4-(3-tosyl-2-(tosylmethyl)propanoyl)benzoic acid is a bis-sulfone acid derivative used as a reactive covalent linker with a free carboxylic acid and two tosyl groups. It is applied in conjugation and linker chemistry, and can undergo Michael-type addition reactions.
- Bis-sulfone acid with two tosyl groups.
- Contains a free carboxylic acid for conjugation.
- Reactive toward Michael-type additions.
- Used as a bifunctional building block in synthesis and bioconjugation.
Medchemexpress LLC 4-(3-tosyl-2-(tosylmethyl)propanoyl)benzoic acid | 124243-00-1 | MFCD28142486 | >97.0% | 500.58 g/mol | C25H24O7S2 | 50 MG
4-(3-tosyl-2-(tosylmethyl)propanoyl)benzoic acid is a tosylated benzoic-acid derivative used as a research chemical and biochemical assay reagent. It contains a free carboxylic acid and two tosyl groups and is typically supplied in small milligram quantities for synthetic and assay applications.
- Contains two tosyl groups and a free carboxylic acid.
- Used as a biochemical assay reagent and synthetic intermediate.
- Typical purity around 97% (batch-dependent).
- Molecular weight 500.58 g/mol; chemical formula C25H24O7S2.
- Available in small milligram pack sizes for research use.
Medchemexpress LLC 4-(3-tosyl-2-(tosylmethyl)propanoyl)benzoic acid | 124243-00-1 | MFCD28142486 | >97.0% | 500.58 g/mol | C25H24O7S2 | 10 MG
4-(3-tosyl-2-(tosylmethyl)propanoyl)benzoic acid is a benzoic acid derivative supplied as a research reagent for biochemical assays and chemical synthesis. It has the molecular formula C25H24O7S2 and a molecular weight of 500.58 g/mol, and is provided as a solid for laboratory use.
- Benzoic acid derivative used as a biochemical assay reagent.
- CAS number 124243-00-1.
- Molecular weight 500.58 g/mol; formula C25H24O7S2.
- Purity greater than 97.0% as reported by third-party suppliers.
- Storage: store at room temperature for up to 3 years; in solvent, keep at -80°C for 2 years or -20°C for 1 year.
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