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95904

Sigma-Aldrich

Poly(ethylene glycol)

BioUltra, 4,000

동의어(들):

Polyethylene glycol, PEG

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250 G
₩116,624
1 KG
₩333,631

₩116,624

출고 가능일2025년 4월 14일세부사항

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모든 사진(1)

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250 G
₩116,624
1 KG
₩333,631

About This Item

Linear Formula:
H(OCH2CH2)nOH
CAS Number:
25322-68-3
MDL number:
MFCD00081839
UNSPSC 코드:
12352104
PubChem Substance ID:
24890217
NACRES:
NA.26

₩116,624

출고 가능일2025년 4월 14일세부사항

벌크 견적 요청

제품 라인

BioUltra

양식

powder

분자량

Mr 3500-4500

불순물

insoluble matter:, passes filter test
≤0.001% peroxides (as H2O2):

pH

5.5-7.0 (25 °C, 50 mg/mL in H2O)

mp

58-61 °C

solubility

H2O: 50 mg/mL at 25 °C, clear, colorless

음이온 미량물

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤50 mg/kg

양이온 미량물

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤200 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤200 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

50 mg/mL in H2O

UV 흡수

λ: 260 nm Amax: ≤0.10
λ: 280 nm Amax: ≤0.04

SMILES string

C(CO)O

InChI

1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2

InChI key

LYCAIKOWRPUZTN-UHFFFAOYSA-N

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관련 카테고리

일반 설명

Poly(ethylene glycol) (PEG) is a polymer ethylene glycol units and is hydrophilic in nature. PEG is structurally flexible and has high hydration capacity. PEG is biocompatible and is devoid of steric hindrances in its structure.[1] PEG is a Food and Drug Administration (FDA) approved drug conjugates. It is nonimmunogenic and safe.[2] PEG conjugation improves solubility and dissolution of diabetes drug, Gliclazide.[3] PEG is widely used as a reagent in biochemistry and molecular biology experiments.[4] It is used in carbon nanotube functionalization.[5]

애플리케이션

Poly(ethylene glycol) has been used:
  • as a component of wheat protoplast isolation and transformation buffer[6]
  • as an additive in suspension cell culture[7]
  • as a component of yeast transformation buffer[8]
  • as a component of crystallization buffer in cysteine protease ATG4B crystallization[9]

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point (°F)

281.5 °F - closed cup

Flash Point (°C)

138.6 °C - closed cup

개인 보호 장비

Eyeshields, Gloves, type N95 (US)

가장 최신 버전 중 하나를 선택하세요:

시험 성적서(COA)

Lot/Batch Number
BCCL7876
BCCM4161
BCCK4984
BCCH3180
BCCF6280

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COA 검색

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문서 라이브러리에서 최근에 구매한 제품에 대한 문서를 찾아보세요.

문서 라이브러리 방문

Characterisation of gliclazide-PEG 8000 solid dispersions
Biswal S, et al.
Tropical Journal of Pharmaceutical Research, 8(5), 260-260 (2009)
Immunogenicity of polyethylene glycol (PEG)
Garay RP and Labaune JP
The open conference proceedings journal, 2(1), 1257-1275 (2011)
ATG4B contains a C-terminal LIR motif important for binding and efficient cleavage of mammalian orthologs of yeast Atg8
Rasmussen MS, et al.
Autophagy, 13(5), 834-834 (2017)
Genome editing of bread wheat using biolistic delivery of CRISPR/Cas9 in vitro transcripts or ribonucleoproteins
Liang Z, et al.
Nature Protocols, 13(3), 413-413 (2018)
Directed molecular evolution of DREADDs: a generic approach to creating next-generation RASSLs
Dong S, et al.
Nature Protocols, 5(3), 561-561 (2010)
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관련 콘텐츠

Polyethylene Glycol (PEG) Selection Guide

Polyethylene glycol (PEG), also sometimes referred to as polyethylene oxide (PEO), is a condensation polymer of ethylene oxide and water that has several chemical properties that make it useful for biological, chemical and pharmaceutical applications.

질문

1–2 / 2 질문  

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

    1 답변

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

    1 답변

    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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