S-Carboxymethyl-L-Cysteine(CAS 638-23-3)
| Purity | Grade | Package | Stock | Price | Quantity |
| 98% | RG | 5G | In Stock | 3 USD
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| 98% | RG | 25G | In Stock | 3 USD
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| 98% | RG | 100G | In Stock | 10 USD
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| 98% | RG | 500G | In Stock | 64 USD
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| 98% | RG | 2.5KG | In Stock | 317 USD
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| 98% | RG | 10KG | In Stock | 1204 USD
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| Bulk Packaging | 500KG | substantially lower unit cost than small-pack SKUs. Contact us for a fast quotation. | |||
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Your region is eligible for ordering. Available NMR Spectrum
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Applications of 638-23-3
| Industry | Application | Process Description |
|---|---|---|
| Pharmaceuticals | Pharmaceutical intermediate | Used in the synthesis of sulfur-containing amino acid-based drugs; serves as a precursor in peptide synthesis |
| Cosmetics | Ingredient in skincare products | Applied as an antioxidant or active ingredient in anti-aging formulations |
| Food industry | Food additive | Used as a flavor enhancer or stabilizer |
| Biochemical research | Biochemical reagent | Applied in protein modification and enzyme reaction studies, among other biomolecular experiments |
| Pesticide industry | Pesticide synthesis intermediate | Used as an organic synthesis intermediate in the preparation of pesticide active ingredients |
Physical and chemical properties of 638-23-3
Acidity coefficient |
2.06±0.10(Predicted) |
|---|---|
Boiling Point |
417.3±45.0 °C at 760 mmHg |
BRN |
1725012 |
Density |
1.5±0.1 g/cm3 |
Exact Mass |
179.025223 |
Flash Point |
206.2±28.7 °C |
Index of Refraction |
1.588 |
LogP |
0.32 |
Melting Point |
185-187 |
Merck |
14,1802 |
Molecular Formula |
C5H9NO4S |
Molecular Weight |
179.194 |
PSA |
125.92000 |
Solubility |
1.6g/L |
Specific rotation |
-31 º (c=1, 10% NaH2CO3) |
Storage condition |
2-8°C |
Vapour Pressure |
0.0±2.1 mmHg at 25°C |
Water Solubility |
SOLUBLE IN COLD WATER |
Spectrums of 638-23-3
1.The NMR spectrum displayed on the page is a pre-sale reference spectrum and may differ from that of the actual received batch.
2.The accompanying documentation will include the NMR spectrum and purity analysis data for the shipped batch.
Retrosynthesis analysis of 638-23-3
Cas:56-89-3
Cas:79-11-8
Cas:52-90-4
Cas:68-11-1
Q&A for CAS 638-23-3
1. How can I verify product quality?
Every batch of our Chemical Reagents is tested to meet ISO 9001 standards. We provide COA & NMR & SDS Provided with each shipment. Batch COA available for verification, and third-party retesting is supported. A full refund is offered if our data is incorrect.
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Orders from Ready stock / In stock items typically Ships Tomorrow via Fast Shipping via FedEx/DHL/UPS. International deliveries usually arrive within 7 business days, subject to customs clearance.
3. What if the received product doesn’t meet quality standards?
If your Lab Grade Chemical Reagents do not match the Batch COA available, we will issue a replacement or a full refund upon verification.
4. Are hazardous labels included? How is safe shipping ensured?
Hazardous products are labeled and packaged following international regulations. We provide SDS Provided with all hazardous shipments to ensure safe and compliant transport.
5. Do you offer technical support?
Yes. Our Lab Supplier team is available to assist with questions about product usage, storage, Lab Grade requirements, applications, and more.
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Yes, samples are available for selected Lab Grade products. Please submit a request to confirm availability and specifications.
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Yes. Items labeled In stock / Ready stock on our website are available for immediate shipment, usually within 1–2 business days. Large packs or custom specifications require lead time confirmation.
9. Can you customize purity or packaging?
Yes. We support customization of Lab Grade purity, packaging size, and special testing requirements. Share your needs and we’ll provide a tailored solution.
10. Is the COA consistent with the shipped batch?
Yes. Batch COA available matches the actual shipment. COAs shown online are for reference or from previous batches.
11. Do you support long-term supply agreements?
Yes. We offer Lab Supplier services for stable batch consistency, pricing agreements, and safety stock for long-term customers to ensure uninterrupted supply.
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Download SDS of 638-23-3
Pictograms |
 |
|---|---|
Signal Word |
Danger |
Hazard Statements |
H314 Causes severe skin burns and eye damage |
Safety Data Sheet |
Download COA of 638-23-3
Operate under the ISO 9001 system
