Molekula
CHES (ácido 2-(ciclohexilamino)etanosulfónico)
CHES (2-(Cyclohexylamino)ethanesulfonic acid)
Certificado ISO 9001:2015 e ISO 14001:2015 · Suministro a laboratorios e industria desde el año 2000 · Certificado de Análisis (CoA) con cada lote
CHES (2-(Cyclohexylamino)ethanesulfonic acid) is a zwitterionic buffering agent widely used in biochemical research, particularly for maintaining pH stability in protein solutions, enzyme assays, and cell culture media. It is effective across a pH range of 8.6–10.0 and is known for its minimal interference with biological activity. CAS 103-47-9, molecular formula C8H17NO3S, molecular weight 207.29 g/mol. Store at ambient conditions. Signal word: Warning. Molekula supplies CHES from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Resumen
CHES (2-(Cyclohexylamino)ethanesulfonic acid) is a zwitterionic buffering agent widely used in biochemical research, particularly for maintaining pH stability in protein solutions, enzyme assays, and cell culture media. It is effective across a pH range of 8.6–10.0 and is known for its minimal interference with biological activity. CAS 103-47-9, molecular formula C8H17NO3S, molecular weight 207.29 g/mol. Store at ambient conditions. Signal word: Warning. Molekula supplies CHES from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Precios y tamaños de envase
Especificaciones
| Property | Value |
|---|---|
| Appearance | White crystalline powder |
| Moisture | LOD:≤1.0% |
| Solubility in water | As 5% solution: Clear and complete |
| Assay (Titration) | ≥99.0% |
| pKa | 9.3-9.7 |
| UV(0.1M in H2O) A260nm | ≤0.04 |
| UV(0.1M in H2O) A280nm | ≤0.05 |
| pH (1% aq. sol.) | 5 - 6 |
Almacenamiento y manejo
| Property | Value |
|---|---|
| Temperatura de Almacenamiento | Ambient |
| Acidez | Acid |
Identificación
| Property | Value |
|---|---|
| SKU | 90005074 |
| Número CAS | 103-47-9 |
| Fórmula molecular | C8H17NO3S |
| Peso molecular | 207.29 |
| SMILES | C1CCC(CC1)NCCS(=O)(=O)O |
| Código REACH | Y110 |
| Incluido en el listado TSCA | Sí |
| Código HTS | 2921.30 |
| Código arancelario | 2921309990 |
Seguridad y GHS
-
Health Hazard
GHS07
Declaraciones de peligro
- H315 Provoca irritación cutánea.
- H319 Provoca irritación ocular grave.
- H335 Puede irritar las vías respiratorias.
Declaraciones de precaución
- P261 Evitar respirar el polvo/el humo/el gas/la niebla/los vapores/el aerosol.
- P280 Llevar guantes/prendas/gafas/máscara de protección.
- P301+310 EN CASO DE INGESTIÓN: Llamar inmediatamente a un CENTRO DE TOXICOLOGÍA/médico/...
- P304+341 EN CASO DE INHALACIÓN: Si respira con dificultad, transportar a la víctima al exterior y mantenerla en reposo en una posición confortable para respirar.
- P305+351+338 EN CASO DE CONTACTO CON LOS OJOS: Aclarar cuidadosamente con agua durante varios minutos. Quitar las lentes de contacto, si lleva y resulta fácil. Seguir aclarando.
Documentos
Certificado de Análisis (CoA) por lote
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Sinónimos
No se han registrado nombres alternativos para este producto.
Preguntas frecuentes
What is CHES (2-(Cyclohexylamino)ethanesulfonic acid) commonly used for?
CHES is primarily used as a buffer in biochemical and molecular biology applications, particularly in gel electrophoresis and protein purification, due to its stable pH over a range of 8.6–10.0.
What is the chemical formula and molecular weight of CHES?
The chemical formula is **C₈H₁₇NO₃S**, and the molecular weight is **207.29 g/mol**.
How should CHES be stored?
CHES should be stored at **ambient temperature** in a tightly sealed container, away from moisture and direct sunlight.
What grades of CHES does Molekula supply?
Molekula supplies **ACS-grade CHES** for laboratory and research applications, ensuring high purity and consistency.
Can Molekula supply CHES in bulk quantities?
Yes, Molekula can provide CHES in bulk, with quantities tailored to meet your specific research or industrial needs—please contact us for pricing and availability.
What documentation comes with an order of CHES?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation to ensure traceability and compliance.
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