ChemicalBook >> CAS DataBase List >>2,5,8,11,14,17,20-Heptaoxadocosane-22-thiol
2,5,8,11,14,17,20-Heptaoxadocosane-22-thiol
- CAS No.
- 651042-82-9
- Chemical Name:
- 2,5,8,11,14,17,20-Heptaoxadocosane-22-thiol
- Synonyms
- MPEG7-SH;Me-PEG7-SH;m-PEG7-thiol;2,5,8,11,14,17,20-Heptaoxadocosane-22-thiol;Poly(ethylene glycol) methyl ether thiol ;mPEG7-SH/2,5,8,11,14,17,20-Heptaoxadocosane-22-thiol;O-(2-Mercaptoethyl)-O′-methyl-hexa(ethylene glycol);O-(2-Mercaptoethyl)-O'-Methyl-hexa(ethylene glycol) >=95% (oligoMer purity);2-[2-[2-[2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethanethiol;2,5,8,11,14,17,20-Heptaoxadocosane-22-thiol, 2-[2-[2-[2-[2-[2-(2-Methoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethanethiol
- CBNumber:
- CB52470855
- Molecular Formula:
- C15H32O7S
- Molecular Weight:
- 356.48
- MDL Number:
- MFCD08274612
- MOL File:
- 651042-82-9.mol
- MSDS File:
- SDS
Last updated:2026-01-13 11:21:10
| Product description | Number | Pack Size | Price |
| Poly(ethylene glycol) methyl ether thiol average Mn 2,000 | 729140 | 1g | $352 |
| O-(2-Mercaptoethyl)-O′-methyl-hexa(ethylene glycol) ≥95% (oligomer purity) | 672572 | 250mg | $300 |
| Poly(ethylene glycol) methyl ether thiol average Mn 6,000 | 729159 | 1g | $335 |
| Poly(ethylene glycol) methyl ether thiol average Mn 6,000 | 729159 | 5g | $1110 |
| Poly(ethylene glycol) methyl ether thiol average Mn 2,000 | 729140 | 5g | $1150 |
| More product size | |||
| Melting point | 50-55 °C |
|---|---|
| Boiling point | 423.7±45.0 °C(Predicted) |
| Density | 1.065 |
| Flash point | >230 °C |
| storage temp. | -20°C |
| solubility | DMSO : 100 mg/mL (280.52 mM; Need ultrasonic) |
| form | Liquid |
| pka | 9+-.0.10(Predicted) |
| color | Colorless to light yellow |
| α-end | methoxy |
| Ω-end | thiol |
| InChI | InChI=1S/C15H32O7S/c1-16-2-3-17-4-5-18-6-7-19-8-9-20-10-11-21-12-13-22-14-15-23/h23H,2-15H2,1H3 |
| InChIKey | PVSKDHZQTUFAEZ-UHFFFAOYSA-N |
| SMILES | COCCOCCOCCOCCOCCOCCOCCS |
| UNSPSC Code | 51171641 |
| NACRES | NA.23 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|---|---|
| Signal word | Warning |
| Hazard statements | H315-H319-H335 |
| Precautionary statements | P261-P264-P271-P280-P302+P352-P305+P351+P338 |
| PPE | Eyeshields, Gloves, type N95 (US) |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26 |
| WGK Germany | 3 |
| HS Code | 2930909899 |
| Storage Class | 10 - Combustible liquids |
2,5,8,11,14,17,20-Heptaoxadocosane-22-thiol price More Price(22)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 729140 | Poly(ethylene glycol) methyl ether thiol average Mn 2,000 | 651042-82-9 | 1g | $352 | 2026-04-30 | Buy |
| Sigma-Aldrich | 672572 | O-(2-Mercaptoethyl)-O′-methyl-hexa(ethylene glycol) ≥95% (oligomer purity) | 651042-82-9 | 250mg | $300 | 2026-04-30 | Buy |
| Sigma-Aldrich | 729159 | Poly(ethylene glycol) methyl ether thiol average Mn 6,000 | 651042-82-9 | 1g | $335 | 2026-04-30 | Buy |
| Sigma-Aldrich | 729159 | Poly(ethylene glycol) methyl ether thiol average Mn 6,000 | 651042-82-9 | 5g | $1110 | 2026-04-30 | Buy |
| Sigma-Aldrich | 729140 | Poly(ethylene glycol) methyl ether thiol average Mn 2,000 | 651042-82-9 | 5g | $1150 | 2026-04-30 | Buy |
2,5,8,11,14,17,20-Heptaoxadocosane-22-thiol Chemical Properties,Uses,Production
Description
m-PEG7-thiol is a PEG linker containing a thiol group. The thiol group reacts with maleimide, OPSS, vinylsulfone and transition metal surfaces including gold, silver, etc. The hydrophilic PEG spacer increases solubility in aqueous media.
Uses
Applications may include: bioconjugation, drug delivery, PEG hydrogel, crosslinker, and surface functionalization
reaction suitability
reagent type: chemical modification reagent
reactivity: thiol reactive
2,5,8,11,14,17,20-Heptaoxadocosane-22-thiol Preparation Products And Raw materials
Raw materials
Preparation Products
Global( 98)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| 9i LLC | +18039569191 | MWan@NiNeiLab.com | United States | 418 | 58 |
| Shandong chuangyingchemical Co., Ltd. | 18853181302 | sale@chuangyingchem.com | CHINA | 5906 | 58 |
| CONIER CHEM AND PHARMA LIMITED | +8618523575427 | sales@conier.com | China | 49977 | 58 |
| SHANGHAI T&W PHARMACEUTICAL CO., LTD. | +86-021-61551413 +8618813727289 | contact@trustwe.com | China | 5742 | 58 |
| Nextpeptide Inc | +86-0571-81612335 +8613336028439 | sales@nextpeptide.com | China | 19908 | 58 |
| TargetMol Chemicals Inc. | +1-781-999-5354; | support@targetmol.com | United States | 39040 | 58 |
| Wuhan Topule Biopharmaceutical Co., Ltd | +8618327326525 | masar@topule.com | China | 8467 | 58 |
| HANGZHOU LEAP CHEM CO., LTD. | +86-571-87711850 | market18@leapchem.com | China | 43333 | 58 |
| Jilin Chinese Academy of Sciences-yanshen Technology | +undefined18143011203 | info@chemextension.com | China | 42056 | 58 |
| Xian confluore Biological Technology Co., Ltd. | +86-15680926068 | 1924344760@confluore.cn | China | 2997 | 58 |
View Lastest Price from 2,5,8,11,14,17,20-Heptaoxadocosane-22-thiol manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2025-08-22 | m-PEG7-thiol
651042-82-9
|
US $0.00 / mg | 10g | TargetMol Chemicals Inc. | |||
 |
2025-06-07 | M-PEG7-SH
651042-82-9
|
US $0.00 / g | 1g | >98.00% | 1g | Xian confluore Biological Technology Co., Ltd. |
-
- m-PEG7-thiol
651042-82-9
- US $0.00 / mg
- TargetMol Chemicals Inc.
-
- M-PEG7-SH
651042-82-9
- US $0.00 / g
- >98.00%
- Xian confluore Biological Technology Co., Ltd.
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2,5,8,11,14,17,20-Heptaoxadocosane-22-thiol, 2-[2-[2-[2-[2-[2-(2-Methoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethanethiol
651042-82-9
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