Isothiocyanates

eMolecules​ N~1~-(4-ethoxyphenyl)-N~2~-{2-[4-methyl-2-(3-methylphenyl)-1,3-thiazol-5-yl]ethyl}ethanediamide | ChemDiv SC | | | 423.530 | C23H25N3O3S | | CCOc1ccc(NC(=O)C(=O)NCCc2sc(nc2C)-c2cccc(C)c2)cc1 | 2mg | 827920787

N~1~-(4-ethoxyphenyl)-N~2~-{2-[4-methyl-2-(3-methylphenyl)-1,3-thiazol-5-yl]ethyl}ethanediamide | ChemDiv SC | | | 423.530 | C23H25N3O3S | | CCOc1ccc(NC(=O)C(=O)NCCc2sc(nc2C)-c2cccc(C)c2)cc1 | 2mg | 827920787

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Medchemexpress LLC 6-isothiocyanato-fluorescein | 3012-71-3 | MFCD00041838 | 90.0% | 389.38 g·mol⁻¹ | C21H11NO5S | 250 MG

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6-Isothiocyanato-Fluorescein (FITC isomer II) is an amine-reactive fluorescent labeling reagent used to derivatize primary amines on proteins, peptides, and other biomolecules for fluorescence detection and conjugation workflows. It is supplied as a solid and reacts via its isothiocyanate group to form stable thiourea linkages.

• Amine-reactive isothiocyanate group for stable thiourea bond formation.
• Suitable for labeling proteins, peptides, and small molecules for fluorescence detection.
• Offered as a 250 MG solid convenient for multiple conjugation reactions.
• Typical purity approximately 90.0% by supplier specification.
• Molecular formula C21H11NO5S and molecular weight 389.38 g·mol⁻¹.
• CAS number 3012-71-3 for unambiguous chemical identification.

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Medchemexpress LLC MEDCHEMEXPRESS LLC

5000450019 TEMPO 25G

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Medchemexpress LLC Cyclopentyl phenyl ketone | 5422-88-8 | MFCD00001378 | 98.4% | 174.24 g/mol | C12H14O | 5 G

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Cyclopentyl phenyl ketone is an organic synthesis intermediate used as a building block in medicinal chemistry and small-molecule synthesis. It is commonly used to introduce cyclopentyl carbonyl functionality into target compounds and is supplied for research use with supporting analytical documentation.

• High purity suitable for research applications.
• Characterized by analytical data such as COA and NMR.
• Useful building block for ketone-containing target molecules.
• Available in laboratory-scale pack sizes for synthesis work.
• Simple, well-defined chemical formula (C12H14O) and molecular weight.

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Butyl Isothiocyanate Analytical Standard, MilliporeSigma™ Supelco™

Isobutyl isothiocyanate, 97%, Thermo Scientific™

CAS: 591-82-2 Molecular Formula: C5H9NS Molecular Weight (g/mol): 115.194 MDL Number: MFCD00022062 InChI Key: NSDDRJXKROCWRZ-UHFFFAOYSA-N Synonym: isobutyl isothiocyanate,i-butyl isothiocyanate,isobutylisothiocyanate,2-methylpropyl isothiocyanate,isothiocyanic acid, isobutyl ester,1-isothiocyanato-2-methyl-propane,unii-a498zc6z4f,isothiocyanic acid isobutyl ester,propane, 1-isothiocyanato-2-methyl,propane, 1-isothiocyanato-2-methyl-9ci PubChem CID: 68960 IUPAC Name: 1-isothiocyanato-2-methylpropane SMILES: CC(C)CN=C=S

2-Methoxyethyl isothiocyanate, 98%, Thermo Scientific™

CAS: 38663-85-3 Molecular Formula: C4H7NOS Molecular Weight (g/mol): 117.166 InChI Key: HTSAVXAFEVUJQE-UHFFFAOYSA-N Synonym: 2-methoxyethyl isothiocyanate,ethane, 1-isothiocyanato-2-methoxy,2-methoxyethylisothiocyanate,1-isothiocyanato-2-methoxy-ethane,1-isothiocyanato-2-methoxyethane,2-methoxyethanisothiocyanate,acmc-1aezw,2-methoxy ethyl isothiocyanate,#,ethane,1-isothiocyanato-2-methoxy PubChem CID: 123475 IUPAC Name: 1-isothiocyanato-2-methoxyethane SMILES: COCCN=C=S

4-Isothiocyanato-TEMPO, Free Radical 95%, Thermo Scientific™

CAS: 36410-81-8 Molecular Formula: C10H17N2OS Molecular Weight (g/mol): 213.32 MDL Number: MFCD00010109 InChI Key: BKENZAFIBRCMKD-UHFFFAOYSA-N Synonym: 4-isothiocyanato-2,2,6,6-tetramethylpiperidine 1-oxyl,4-isothiocyanato-tempo,4-isothiocyanato-2,2,6,6-tetramethylpiperidinooxyl,4-itc-tempo,4-isothiocyanato-1,4-isothiocyanato-2,2,6,6-tetramethyl-1-piperidinyloxy,4-isothiocyanato-2,2,6,6-tetramethylpiperidinooxy radical,1-piperidinyloxy, 4-isothiocyanato-2,2,6,6-tetramethyl,4-isothiocyanato-tempo, for esr-spectroscopy,4-isothiocyanato-2,2,6,6-tetramethyl-1-piperidinyloxy, free radical PubChem CID: 147645 IUPAC Name: (4-isothiocyanato-2,2,6,6-tetramethylpiperidin-1-yl)oxidanyl SMILES: CC1(C)CC(CC(C)(C)N1[O])N=C=S

Ethyl Isothiocyanate 99+%, Thermo Scientific™

CAS: 542-85-8 Molecular Formula: C3H5NS Molecular Weight (g/mol): 87.14 InChI Key: HBNYJWAFDZLWRS-UHFFFAOYSA-N Synonym: ethyl isothiocyanate,ethane, isothiocyanato,ethyl mustard oil,ethylisothiocyanate,isothiocyanic acid, ethyl ester,unii-3284mj2t8p,ccris 7323,ethylisothio-cyanate,isothiocyanato-ethane PubChem CID: 10966 ChEBI: CHEBI:85098 IUPAC Name: isothiocyanatoethane SMILES: CCN=C=S

Cyclopentyl isothiocyanate, 98%, Thermo Scientific™

CAS: 33522-03-1 Molecular Formula: C6H9NS Molecular Weight (g/mol): 127.205 MDL Number: MFCD00040877 InChI Key: PJOODZCPFADLCI-UHFFFAOYSA-N Synonym: cyclopentyl isothiocyanate,cyclopentane, isothiocyanato,isothiocyanato-cyclopentane,cyclopentanisothiocyanate,cyclopentylisothiocyanate,acmc-20albz PubChem CID: 141792 IUPAC Name: isothiocyanatocyclopentane SMILES: C1CCC(C1)N=C=S

3-Pyridyl isothiocyanate, ≥95%, Thermo Scientific™

CAS: 17452-27-6 Molecular Formula: C6H4N2S Molecular Weight (g/mol): 136.172 MDL Number: MFCD00052351 InChI Key: VMSZFBSYWXMXRF-UHFFFAOYSA-N Synonym: 3-pyridyl isothiocyanate,pyridine, 3-isothiocyanato,3-isothiocyanato-pyridine,pyridine-3-isothiocyanate,pyridine,3-isothiocyanato,3-pyridylisothiocyanate,3-pyridyl isotiocyanate,acmc-20an1z,3-pyridyl-isothiocyanate,pyridin-3-isothiocyanate PubChem CID: 2737242 IUPAC Name: 3-isothiocyanatopyridine SMILES: C1=CC(=CN=C1)N=C=S

o-Tolyl isothiocyanate, 99%

CAS: 614-69-7 MDL Number: MFCD00004802 InChI Key: JYKYYPPZLPVIBY-UHFFFAOYSA-N Synonym: 2-methylphenyl isothiocyanate,o-tolyl isothiocyanate,2-tolyl isothiocyanate,o-tolylisothiocyanate,benzene, 1-isothiocyanato-2-methyl,1-isothiocyanato-2-methyl-benzene,2-methylphenylisothiocyanate,isothiocyanic acid o-tolyl ester,isothiocyanic acid, o-tolyl ester,2-methylbenzenisothiocyanate PubChem CID: 69195 IUPAC Name: 1-isothiocyanato-2-methylbenzene SMILES: CC1=CC=CC=C1N=C=S

4-Isothiocyanatobenzonitrile, 97%, Thermo Scientific™

CAS: 2719-32-6 Molecular Formula: C8H4N2S Molecular Weight (g/mol): 160.194 InChI Key: DZFKAXLNKZXNHD-UHFFFAOYSA-N Synonym: 4-cyanophenyl isothiocyanate,benzonitrile, 4-isothiocyanato,p-cyanophenyl isothiocyanate,4-cyanophenylisothiocyanate,4-cyano-phenyl-isothiocyanate,4-isothiocyanatobenzenenitrile,4-isothiocyanato-benzonitrile,benzonitrile,4-isothiocyanato,isothiocyanic acid, p-cyanophenyl ester,benzenenitrile, 4-isothiocyanato PubChem CID: 17626 IUPAC Name: 4-isothiocyanatobenzonitrile SMILES: C1=CC(=CC=C1C#N)N=C=S

(R)-(-)-1-(4-Methoxyphenyl)ethyl isothiocyanate, 97%, Thermo Scientific™

CAS: 749261-40-3 Molecular Formula: C10H11NOS Molecular Weight (g/mol): 193.264 MDL Number: MFCD05664137 InChI Key: HOWJPQXDLZDTBF-MRVPVSSYSA-N Synonym: 1-1r-1-isothiocyanatoethyl-4-methoxybenzene,r---1-4-methoxyphenyl ethyl isothiocyanate,1r-1-4-methoxyphenyl ethanisothiocyanate,benzene,1-1r-1-isothiocyanatoethyl-4-methoxy,benzene,1-1r-1-isothiocyanatoethyl-4-methoxy-9ci,benzene, 1-1r-1-isothiocyanatoethyl-4-methoxy-9ci PubChem CID: 7018290 IUPAC Name: 1-[(1R)-1-isothiocyanatoethyl]-4-methoxybenzene SMILES: CC(C1=CC=C(C=C1)OC)N=C=S

tert-Octyl Isothiocyanate 94%, Thermo Scientific™

CAS: 17701-76-7 Molecular Formula: C9H17NS Molecular Weight (g/mol): 171.302 InChI Key: KUGHMFIBHMZICO-UHFFFAOYSA-N Synonym: tert-octyl isothiocyanate,tert-octylisothiocyanate,1,1,3,3-tetramethylbutyl isothiocyanate,pentane,2-isothiocyanato-2,4,4-trimethyl,pentane, 2-isothiocyanato-2,4,4-trimethyl,t-octylisothiocyanate,2-isothiocyanato-2,4,4-trimethyl-pentane PubChem CID: 87255 IUPAC Name: 2-isothiocyanato-2,4,4-trimethylpentane SMILES: CC(C)(C)CC(C)(C)N=C=S