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C2776

Sigma-Aldrich

1-Cyan-4-dimethylaminopyridinium-Tetrafluoroborat

organic cyanylating reagent

Synonym(e):

CDAP

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About This Item

Empirische Formel (Hill-System):
C8H10BF4N3
CAS-Nummer:
59016-56-7
Molekulargewicht:
234.99
Beilstein:
5685616
MDL-Nummer:
MFCD00011998
UNSPSC-Code:
12352108
PubChem Substanz-ID:
24892528
NACRES:
NA.32

Qualitätsniveau

300

Form

powder

Lagertemp.

−20°C

SMILES String

[F-].FB(F)F.CN(C)c1cc[n+](cc1)C#N

InChI

1S/C8H10N3.BF3.FH/c1-10(2)8-3-5-11(7-9)6-4-8;2-1(3)4;/h3-6H,1-2H3;;1H/q+1;;/p-1

InChIKey

ONCRRSYBEJHQMM-UHFFFAOYSA-M

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Allgemeine Beschreibung

1-Cyano-4-dimethylaminopyridinium tetrafluoroborate is an organic cyanylating agent also termed CDAP. It is a unique cystine-labeling reagent due to its reactive nature under acidic conditions. This feature provides CDAP an advantage over other sulfhydryl labeling agents, as it can avoid potential thiol-disulfide exchange.

Anwendung

1-Cyano-4-dimethylaminopyridinium (CDAP) has been used in the synthesis of conjugate vaccines as a cyanylating agent. Activation of cellulose dialysis membrane for immunosensor applications used CDAP as an activation agent.

Leistungsmerkmale und Vorteile

When compared to Cyanogen Bromide (CNBr), a similar reagent, CDAP is:

  • Easier to use.
  • Can operate at lower pH levels.
  • Fewer side reactions.
  • Cyanogen Bromide is hazardous in nature.

Piktogramme

Exclamation mark
GHS07

Signalwort

Warning

Gefahreneinstufungen

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Zielorgane

Respiratory system

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

dust mask type N95 (US), Eyeshields, Gloves

Analysenzertifikate (COA)

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A Holmberg et al.
Bioconjugate chemistry, 4(6), 570-573 (1993-11-01)
This study presents a carrier system for boron, potentially useful in boron neutron capture therapy (BNCT). Na2B12H11SH (BSH) was covalently coupled to dextran derivatives. This was accomplished in two ways. The first method comprises activation of dextran with 1-cyano-4-(dimethylamino)pyridine (CDAP)
A Andersson et al.
International journal of cancer, 47(3), 439-444 (1991-02-01)
Some gliomas, melanomas and squamous carcinomas have large numbers of EGF receptors which could, in these cases, be used for targeting with toxic agents. We investigated whether EGF could be conjugated to dextran, which is a suitable carrier for toxic
Raphael Simon et al.
PloS one, 8(5), e64680-e64680 (2013-06-07)
Non-typhoidal Salmonella (NTS) serovars S. Enteritidis and S. Typhimurium are a major cause of invasive bacterial disease (e.g., bacteremia, meningitis) in infants and young children in sub-Saharan Africa and also occasionally cause invasive disease in highly susceptible hosts (young infants
J Wu et al.
Protein science : a publication of the Protein Society, 7(4), 1017-1028 (1998-05-06)
Human epidermal growth factor (hEGF) contains 53 amino acids and three disulfide bonds. The unfolded, reduced hEGF is allowed to refold under mildly alkaline conditions. The folding is quenched at different time points by adjusting the pH to 3.0 with
J T Watson et al.
Journal of molecular graphics & modelling, 19(1), 119-128 (2001-05-31)
Trapping folding intermediates of cystinyl proteins by covalent modification of free sulfhydryl groups provides the opportunity for isolation, purification, and structural elucidation of individual species. The disulfide structure of the intermediates, coupled with their temporal abundance, provides a 'snapshot' of
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