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I6256

2-Iminothiolan -hydrochlorid

≥98% (TLC), powder

Synonym(e):

2-Thiolanimin -hydrochlorid, 2IT, Dihydro-2(3H)-thiophenimin -hydrochlorid, Traut’s Reagens

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Ihnen/SKUVerfügbarkeitPreis
100 mg
Warenkorb auf Verfügbarkeit prüfen
€ 110,00
500 mg
Warenkorb auf Verfügbarkeit prüfen
€ 299,00
1 g
Warenkorb auf Verfügbarkeit prüfen
€ 455,00

Über diesen Artikel

Empirische Formel (Hill-System):
C4H7NS · HCl
CAS-Nummer:
Molekulargewicht:
137.63
UNSPSC Code:
12352100
NACRES:
NA.21
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
3620079
Assay:
≥98% (TLC)
Form:
powder
Solubility:
H2O: 100 mg/mL

€ 110,00


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Quality Segment

assay

≥98% (TLC)

form

powder

impurities

≤5% Free sulfhydryl groups

mp

198-201 °C (lit.)

solubility

H2O: 100 mg/mL

functional group

thioether

storage temp.

2-8°C

SMILES string

N=C1SCCC1.Cl

InChI

1S/C4H7NS.ClH/c5-4-2-1-3-6-4;/h5H,1-3H2;1H

InChI key

ATGUDZODTABURZ-UHFFFAOYSA-N

General description

2-Iminothiolane hydrochloride (2-IT.HCl), a protein modification reagent, is commonly employed to attach thiol groups to proteins and peptides. Raman spectroscopic analysis of hair keratin fibers modified with 2-IT.HCl showed the formation of new disulfide groups.

Application

Thiolating reagent for primary amines. Reacts at pH 7-10 by amidine bond to present free sulfhydryl. Useful in preparation of disulfide and/or thioether linked conjugates.
2-Iminothiolane hydrochloride has been used in the synthesis of thiolated PEG (poly(ethylene glycol). It may be used to synthesize PLA-SH (polyethylene glycol-thiol) and PLA-PEG-SH (polyethylene glycol–polylactic acid-thiol).

Other Notes

Note that the amidine linkage preserves original primary amine positive charge. Incorporates a five atom linker.

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Dieser Artikel
D0632D9779D8130
description

≥98% (TLC), powder

description

≥98% (HPLC), ≥99.0% (titration)

description

Molecular Biology, ≥98% (HPLC), ≥99% (titration)

description

≥98%, BioReagent, suitable for determination of sulfhydryl groups

form

powder

form

powder

form

powder

form

powder

solubility

H2O: 100 mg/mL

solubility

H2O: soluble 50 mg/mL, clear, colorless to very faintly yellow

solubility

H2O: 50 mg/mL

solubility

-

assay

≥98% (TLC)

assay

≥98% (HPLC), ≥99.0% (titration)

assay

≥98% (HPLC), ≥99% (titration)

assay

≥98%

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

impurities

≤5% Free sulfhydryl groups

impurities

-

impurities

-

impurities

-

mp

198-201 °C (lit.)

mp

41-44 °C (lit.)

mp

41-44 °C (lit.)

mp

240-245 °C (dec.) (lit.)


pictograms

Skull and crossbones

signalword

Danger

hcodes

Hazard Classifications

Acute Tox. 3 Oral

Lagerklasse

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)



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Questions

1–2 of 2 Questions  
  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf

      Helpful?

  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

      Helpful?

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