The product impurities are not identified or quantified. Please see the product specification sheet:
https://www.sigmaaldrich.com/specification-sheets/457/256/A9043-BULK________SIGMA____.pdf.
A9043
S-Acetylthioglycolic acid N-hydroxysuccinimide ester
≥95% (TLC), powder
Synonym(s):
N-Succinimidyl (acetylthio)acetate, N-Succinimidyl S-acetylthioglycolate, S-Acetylthioglycolic acid NHS ester, SATA
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All Photos(3)
About This Item
Empirical Formula (Hill Notation):
C8H9NO5S
CAS Number:
Molecular Weight:
231.23
Beilstein:
7815491
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
Pricing and availability is not currently available.
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Quality Level
Assay
≥95% (TLC)
form
powder
solubility
acetonitrile: 50 mg/mL
DMF: soluble
storage temp.
−20°C
SMILES string
CC(=O)SCC(=O)ON1C(=O)CCC1=O
InChI
1S/C8H9NO5S/c1-5(10)15-4-8(13)14-9-6(11)2-3-7(9)12/h2-4H2,1H3
InChI key
FLCQLSRLQIPNLM-UHFFFAOYSA-N
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Application
Thiolating reagent for primary amines; thiol can be deprotected under mild conditions. Typically, couples initially to a molecule containing primary amine by amide bond buffered at pH 7.5. Deprotection may be accomplished with 0.05 M hydroxylamine at neutral pH. Useful for preparation of enzyme immunoconjugates and hapten carrier molecule conjugates.
Other Notes
Note that the ester couples very efficiently to primary amines compared to other thiolating reagents. In addition, this reagent will neutralize original amine positive charge.
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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Hello, Could you tell me the percentage of impurities and define specifically which impurities we can find in this reagent ? Thank you,
1 answer-
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