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100013

Sigma-Aldrich

4,4′-Dimethoxytrityl chloride

95%

Sinónimos:

DMT-Cl

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About This Item

Fórmula lineal:
C6H5C(C6H4OCH3)2Cl
Número de CAS:
40615-36-9
Peso molecular:
338.83
Beilstein:
2471942
Número CE:
255-002-6
Número MDL:
MFCD00008409
Código UNSPSC:
12352101
ID de la sustancia en PubChem:
24846511
NACRES:
NA.22
En este momento no podemos mostrarle ni los precios ni la disponibilidad

Ensayo

95%

Formulario

solid

mp

119-123 °C (lit.)

grupo funcional

chloro
phenyl

cadena SMILES

COc1ccc(cc1)C(Cl)(c2ccccc2)c3ccc(OC)cc3

InChI

1S/C21H19ClO2/c1-23-19-12-8-17(9-13-19)21(22,16-6-4-3-5-7-16)18-10-14-20(24-2)15-11-18/h3-15H,1-2H3

Clave InChI

JBWYRBLDOOOJEU-UHFFFAOYSA-N

Categorías relacionadas

Descripción general

DMT-Cl is commonly used as a protecting group for various functional groups in organic synthesis.[1]

Aplicación

Hydroxyl protecting group for nucleosides[2][3][4] and nucleotides.[5]

Palabra de señalización

Danger

Frases de peligro

H314,H317,H335,H411

Clasificaciones de peligro

Aquatic Chronic 2 - Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1 - STOT SE 3

Órganos de actuación

Respiratory system

Código de clase de almacenamiento

8B - Non-combustible corrosive hazardous materials

Clase de riesgo para el agua (WGK)

WGK 3

Equipo de protección personal

Eyeshields, Gloves, type N95 (US)

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Certificados de análisis (COA)

Lot/Batch Number
STBL2234
STBK8616
STBK6078
STBL0098
STBJ1629

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The three guanosines of the central core of a hammerhead ribozyme were replaced by 2-aminopurine ribonucleoside, xanthosine, isoguanosine, inosine, and deoxyguanosine. These analogues were incorporated by automated solid-phase synthesis, with the exception of isoguanosine. This was introduced by ligating a
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The preparation of a nucleotidyl-peptide having a thymidine-5'-yl-(P-O)-serine phosphodiester bond, [H-Ala-Ser(pTpT)-Phe-OH](24) is described. After condensation between the phosphorylated peptide component and an oligonucleotide component, all protecting groups could be removed under neutral conditions without beta-elimination of the pTpT from the
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Questions

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  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/449/386/product-dating-information-mk.pdf

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  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

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