You Searched For: (\u00B1)-2-Pyrrolidinone-5-carboxylic acid


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Catalog Number: (ACRO458670010)
Supplier: Thermo Fisher Scientific
Description: Voriconazole 98%
UOM: 1 * 1 g


Supplier: Apollo Scientific
Description: 1,1,1,3,3,3-Hexafluoro-2-methyl-2-propanol 98%

Supplier: VWR Chemicals
Description: Isobutanol ≥99.0%, AnalaR NORMAPUR® Reag. Ph. Eur., ACS analytical reagent
Supplier: Thermo Fisher Scientific
Description: Isobutanol 99+% for spectrophotometry
Catalog Number: (20836.297)
Supplier: VWR Chemicals
Description: Isobutanol ≥98%, GPR RECTAPUR®
UOM: 1 * 1 L

Catalog Number: (1.00984.2500)
Supplier: Merck
Description: Isobutanol, EMSURE® ACS, Reag. Ph. Eur. for analysis, Supelco®
UOM: 1 * 2,5 L

MSDS Environmentally Preferable


Supplier: Thermo Fisher Scientific
Description: Potassium-tert-butoxide 98+%, pure
Supplier: Avantor
Description: Lot analysis on label.
Catalog Number: (1424153.)
Supplier: USP
Description: USP Reference Standards are specified for use in conducting official USP–NF tests and assays. USP also provides Reference Standards specified in the Food Chemicals Codex as well as authentic substances—high-quality chemical samples—as a service to analytical, clinical, pharmaceutical and research laboratories. To confirm accuracy and reproducibility, USP Reference Standards are rigorously tested and evaluated by multiple independent laboratories including USP, commercial, regulatory, and academic labs. USP also provide publicly available, official documentary standards for pharmaceutical ingredients in the USP–NF that link directly with our primary reference standards.
UOM: 1 * 3 Ampoul


Supplier: Thermo Fisher Scientific
Description: Isobutanol 99+%, extra pure
Supplier: Thermo Fisher Scientific
Description: Potassium-tert-butoxide 20% (w/w) in THF, pure
Supplier: VWR Chemicals
Description: Due to its excellent separation capacity and its high sensitivity gas chromatography is a widely used technique for analytical purposes. In order to get proper identification and quantification results of the analysed compounds, reference standards are needed. These PESTINORM® reference substances can be used for the characterisation of GC column properties. In addition they may also be used for the identification of unknown compounds in a gas chromatogram or as standards in quantitative GC analysis.
Catalog Number: (1081807.)
Supplier: USP
Description: USP Reference Standards are specified for use in conducting official USP–NF tests and assays. USP also provides Reference Standards specified in the Food Chemicals Codex as well as authentic substances—high-quality chemical samples—as a service to analytical, clinical, pharmaceutical and research laboratories. To confirm accuracy and reproducibility, USP Reference Standards are rigorously tested and evaluated by multiple independent laboratories including USP, commercial, regulatory, and academic labs. USP also provide publicly available, official documentary standards for pharmaceutical ingredients in the USP–NF that link directly with our primary reference standards.
UOM: 1 * 3 items


Supplier: Thermo Fisher Scientific
Description: Isobutanol 99+%, Spectrophotometric Grade
Catalog Number: (41908.04)
Supplier: Thermo Fisher Scientific
Description: Hafnium(IV) tert-butoxide ≥99.9% (metals basis excluding Zr) (max. 0.5% Zr)
UOM: 1 * 2 g

Supplier: Thermo Fisher Scientific
Description: Potassium-tert-butoxide 20% (w/w) 1.6-1.7 M in THF, AcroSeal™, pure
Inquire for Price
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us on +353 1 88 22222.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us on +353 1 88 22222.
This product is marked as restricted and can only be purchased by approved Shipping Accounts. If you need further assistance, email VWR Regulatory Department at eurega_services@eu.vwr.com
-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organisation. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
Product(s) marked with this symbol are discontinued - sold till end of stock. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service on +353 1 8822222.
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