1343476-41-4
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Basic information
- Product Name: Acid-PEG5-NHS ester
- Synonyms: Acid-PEG5-NHS ester;COOH-PEG5-NHS
- CAS NO:1343476-41-4
- Molecular Formula: C18H29NO11
- Molecular Weight: 435.42296
- EINECS: N/A
- Product Categories: N/A
- Mol File: 1343476-41-4.mol
- Article Data: 0
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Chemical Properties
- Melting Point: N/A
- Boiling Point: 574.8±60.0 °C(Predicted)
- Flash Point: N/A
- Appearance: /
- Density: 1.30±0.1 g/cm3(Predicted)
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- PKA: 4.28±0.10(Predicted)
- CAS DataBase Reference: Acid-PEG5-NHS ester(CAS DataBase Reference)
- NIST Chemistry Reference: Acid-PEG5-NHS ester(1343476-41-4)
- EPA Substance Registry System: Acid-PEG5-NHS ester(1343476-41-4)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 1343476-41-4(Hazardous Substances Data)
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1343476-41-4 Usage
Description
Acid-PEG5-NHS ester is a PEG linker containing a carboxylic acid and an NHS ester. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acid can react with primary amine groups in the presence of activators (e.g. EDC, or HATU) to form a stable amide bond. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules.Check Digit Verification of cas no
The CAS Registry Mumber 1343476-41-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,4,3,4,7 and 6 respectively; the second part has 2 digits, 4 and 1 respectively.Calculate Digit Verification of CAS Registry Number 1343476-41:
(9*1)+(8*3)+(7*4)+(6*3)+(5*4)+(4*7)+(3*6)+(2*4)+(1*1)=154
154 % 10 = 4
So 1343476-41-4 is a valid CAS Registry Number.
1343476-41-4Upstream product
1343476-41-4Downstream Products
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Acid-PEG5-NHS ester
