L-Cysteine(Z)-OH
L-Cysteine(Z)-OH (CAS: 1625-72-5; Formula: C11H13NO4S; MW: 255.29) is a modified amino acid. It is a key intermediate in various biochemical pathways and finds application in research laboratories. L-Cysteine(Z)-OH is stored at -20°C to maintain its stability and efficacy for scientific investigations. As a specialised reagent, it is handled with appropriate protective measures.

Biochemical Research
Utilised as a reagent in fundamental biochemical studies and investigations into amino acid metabolism.
Laboratory Reagent
Serves as a versatile reagent in various laboratory settings for synthetic and analytical chemistry applications.
Modified Amino Acid Studies
Employed in research focused on the structure-function relationships of modified amino acids.
| Molecular weight | 255.29 |
|---|---|
| Empirical formula | C11H13NO4S |
| Storage temperature | −20°C |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is L-Cysteine(Z)-OH used for?
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L-Cysteine(Z)-OH is used as a reagent in biochemical research, laboratory settings for synthetic and analytical chemistry, and studies involving modified amino acids.
What is the CAS number and formula for L-Cysteine(Z)-OH?
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The CAS number is 1625-72-5 and the empirical formula (Hill notation) is C11H13NO4S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies L-Cysteine(Z)-OH for research and laboratory use. The specific assay is not detailed in the provided data. TSS does not represent this product as meeting USP, BP, or EP pharmacopoeia standards.
How should L-Cysteine(Z)-OH be handled?
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Handling L-Cysteine(Z)-OH requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended.
Is L-Cysteine(Z)-OH a controlled substance?
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There is no indication in the provided data that L-Cysteine(Z)-OH is a controlled substance.
How is L-Cysteine(Z)-OH packed and exported?
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L-Cysteine(Z)-OH is packed and exported according to standard chemical handling and shipping regulations suitable for reagents stored at -20°C.
How can I request a sample or quote for L-Cysteine(Z)-OH?
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To request a sample or quote for L-Cysteine(Z)-OH, please contact the Tech Serve Solutions sales department via our website or direct inquiry channels.
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