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161691

Bis(4-nitrophenyl) carbonate

≥99%, for peptide synthesis

Synonym(s):

4-Nitrophenyl carbonate

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10 g

Available to ship TODAY

$142.00

About This Item

Linear Formula:
(O2NC6H4O)2CO
CAS Number:
Molecular Weight:
304.21
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352108
EC Number:
225-775-4
MDL number:
Beilstein/REAXYS Number:
1892897
eCl@ss:
32160703

$142.00


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Product Name

Bis(4-nitrophenyl) carbonate, ≥99%

Quality Segment

assay

≥99%

form

powder

reaction suitability

reaction type: Carbonylations

mp

136-139 °C (lit.)

application(s)

peptide synthesis

functional group

carbonate, nitro

SMILES string

[O-][N+](=O)c1ccc(OC(=O)Oc2ccc(cc2)[N+]([O-])=O)cc1

InChI

1S/C13H8N2O7/c16-13(21-11-5-1-9(2-6-11)14(17)18)22-12-7-3-10(4-8-12)15(19)20/h1-8H

InChI key

ACBQROXDOHKANW-UHFFFAOYSA-N

Application

Reagent for the preparation of activated 4-nitrophenyl esters of N-protected amino acids.
Reagent for the synthesis of 4-nitrophenyl active esters of amino acids. Used in the preparation of symmetrical and unsymmetrical ureas.

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This Item
934011BOG00271
description

≥99%

description

≥99%, anhydrous, battery grade

description

AldrichCPR

form

powder

form

liquid

form

solid

assay

≥99%

assay

≥99%

assay

-

functional group

carbonate, nitro

functional group

-

functional group

-

mp

136-139 °C (lit.)

mp

-

mp

-

Quality Level

200

Quality Level

100

Quality Level

-

application(s)

peptide synthesis

application(s)

battery manufacturing
battery precursors

application(s)

-


Pictograms

Exclamation mark

Signal Word

Warning

Hazard Codes

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Storage Class

11 - Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

PPE (personal protective equipment)

dust mask type N95 (US), Eyeshields, Gloves



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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/418/501/product-dating-information-06-25-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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