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Bis-PEG10-acid is a PEG (polyethylene glycol) linker that features two terminal carboxylic acid groups. This molecule is characterized by its hydrophilic PEG spacer, which significantly enhances its solubility in aqueous environments. The presence of terminal carboxylic acids allows for the formation of stable amide bonds with primary amine groups, facilitated by the use of appropriate activators such as EDC (1-Ethyl-3-(3-dimethylaminopropyl)carbodiimide) or HATU (hexafluorophosphate hemisalt of 1,1'-carbonyldiimidazole).

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  • 1268488-70-5 Structure
  • Basic information

    1. Product Name: Bis-PEG10-acid
    2. Synonyms: Bis-PEG10-acid;Bis-PEG25-acid;α,ω-dipropionic acid octaethylene glycol;COOH-PEG8-COOH;HOOCCH2CH2O-PEG8-CH2CH2COOH;HOOC-PEG8-COOH;Bis-PEGn-CH2CH2COOH (n=9,25)
    3. CAS NO:1268488-70-5
    4. Molecular Formula: C22H42O13
    5. Molecular Weight: 514.56108
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 1268488-70-5.mol
  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: 630.0±55.0 °C(Predicted)
    3. Flash Point: N/A
    4. Appearance: /
    5. Density: 1.174±0.06 g/cm3(Predicted)
    6. Refractive Index: N/A
    7. Storage Temp.: 2-8°C
    8. Solubility: N/A
    9. PKA: 3.97±0.10(Predicted)
    10. CAS DataBase Reference: Bis-PEG10-acid(CAS DataBase Reference)
    11. NIST Chemistry Reference: Bis-PEG10-acid(1268488-70-5)
    12. EPA Substance Registry System: Bis-PEG10-acid(1268488-70-5)
  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 1268488-70-5(Hazardous Substances Data)

1268488-70-5 Usage

Uses

Used in Pharmaceutical Industry:
Bis-PEG10-acid is used as a molecular linker for the conjugation of therapeutic agents, such as drugs or proteins, to improve their solubility, stability, and bioavailability. The hydrophilic PEG spacer reduces the immunogenicity and proteolytic degradation of the conjugated molecules, potentially enhancing their pharmacokinetic properties and therapeutic efficacy.
Used in Drug Delivery Systems:
In the field of drug delivery, Bis-PEG10-acid serves as a versatile component for the development of targeted drug carriers. The PEG linker can be functionalized with targeting ligands, allowing for the specific delivery of therapeutic agents to diseased cells or tissues. This targeted approach minimizes side effects and increases the overall effectiveness of the treatment.
Used in Diagnostics:
Bis-PEG10-acid can be utilized in the creation of imaging agents, where it can help improve the solubility and circulation time of diagnostic molecules in the body. The PEGylation of imaging agents can lead to enhanced contrast and more accurate detection of diseases at an early stage.
Used in Biomaterials and Tissue Engineering:
In the realm of biomaterials and tissue engineering, Bis-PEG10-acid can be employed to functionalize scaffolds or hydrogels, providing a more biocompatible and hydrophilic environment for cell growth and tissue regeneration. The PEG linker can also be used to immobilize bioactive molecules, such as growth factors, on the surface of these materials to promote specific cellular responses.
Used in Cosmetics Industry:
Bis-PEG10-acid can be used as a component in the formulation of cosmetic products, where it can enhance the solubility and stability of active ingredients. The PEG linker can also improve the skin permeation and bioavailability of these ingredients, leading to more effective cosmetic formulations with better moisturizing, anti-aging, or protective properties.

Check Digit Verification of cas no

The CAS Registry Mumber 1268488-70-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,8,4,8 and 8 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1268488-70:
(9*1)+(8*2)+(7*6)+(6*8)+(5*4)+(4*8)+(3*8)+(2*7)+(1*0)=205
205 % 10 = 5
So 1268488-70-5 is a valid CAS Registry Number.

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