Widely used in the synthesis of polypeptides, nucleosides and carbohydrates, Coupling Reagents generally aid in the activation of the carboxy group or the acylation of the amino group through formation of a reactive intermediate.

J&K Scientific provides a wide selection of the coupling reagents including carbodiimides, phosphoniums, uroniums, etc.

 

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N-Hydroxysulfosuccinimide sodium salt, 98% [CAS: 106627-54-7]
Coupling Reagents, J&K Brand

N-Hydroxysulfosuccinimide sodium salt, 98% [CAS: 106627-54-7]

SDS Specifications Cat. No. 183144 CAS 106627-54-7 MF C4H4NNaO6S MW 217.13 Synonym Hydroxy-2,5-dioxopyrrolidine-3-sulfonicacid sodium salt Properties Melting Point 250°C 760.0mmhg Boiling Point 760.0mmhg Flash Point 760.0mmhg Beilstein 6359129 MDL MFCD00043100...
$76.20
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Carbonic acid di-2-pyridyl ester, 98% [CAS: 1659-31-0] - J&K Scientific LLC
Coupling Reagents, J&K Brand

Carbonic acid di-2-pyridyl ester, 98% [CAS: 1659-31-0]

SDS Specifications Cat. No. 973548 CAS 1659-31-0 MF C11H8N2O3 MW 216.20 Synonym Di-2-pyridyl Carbonate Properties Melting Point 90°C 760.0mmhg Boiling Point 351.594°C 760.0mmhg Flash Point 166.438°C 760.0mmhg Density 1.307 Beilstein...
$26.90
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Dipyrrolidino(N-succinimidyloxy)carbenium hexafluorophosphate, 98% [CAS: 207683-26-9] - J&K Scientific LLC
Coupling Reagents, J&K Brand

Dipyrrolidino(N-succinimidyloxy)carbenium hexafluorophosphate, 98% [CAS: 207683-26-9]

SDS Specifications Cat. No. 615769 CAS 207683-26-9 MF C13H20N3O3·PF6 MW 411.28 Synonym O-(N-Succinimidyl)-N,N,N',N'-bis(tetramethylene)uronium hexafluorophosphate Properties Melting Point 143-153°C 760.0mmhg Boiling Point 760.0mmhg Flash Point 760.0mmhg Beilstein 13831468 MDL MFCD00192457 Safety...
$57.10
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1,1'-Carbonyl-di-(1,2,4-triazole), 97% [CAS: 41864-22-6] - J&K Scientific LLC
Coupling Reagents, J&K Brand

1,1'-Carbonyl-di-(1,2,4-triazole), 97% [CAS: 41864-22-6]

SDS Specifications Cat. No. 579542 CAS 41864-22-6 MF C5H4N6O MW 164.13 Synonym 1,1'-Carbonylbis(1,2,4-triazole) Properties Melting Point 145-150°C 760.0mmhg Boiling Point 760.0mmhg Flash Point 760.0mmhg Beilstein 10250 MDL MFCD00043399 Safety Information...
$101.40
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1-(p-Toluenesulfonyl)imidazole, 99% [CAS: 2232-08-8] - J&K Scientific LLC
Coupling Reagents, J&K Brand

1-(p-Toluenesulfonyl)imidazole, 99% [CAS: 2232-08-8]

SDS Specifications Cat. No. 296978 CAS 2232-08-8 MF C10H10N2O2S MW 222.27 Synonym 1-Tosylimidazole Properties Melting Point 76-78°C 760.0mmhg Boiling Point 760.0mmhg Flash Point 760.0mmhg EINECS 218-771-9 Beilstein 612451 MDL MFCD00005285...
$10.00
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5-Benzylthio-1H-tetrazole, 99% [CAS: 21871-47-6] - J&K Scientific LLC
Coupling Reagents, J&K Brand

5-Benzylthio-1H-tetrazole, 99% [CAS: 21871-47-6]

SDS Specifications Cat. No. 295494 CAS 21871-47-6 MF C8H8N4S MW 192.25 Synonym 5-BTT Properties Melting Point 135-138°C 760.0mmhg Boiling Point 760.0mmhg Flash Point 760.0mmhg Beilstein 160040 MDL MFCD00068731 Safety Information...
$333.90
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