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Carboxylic Acids & Salts

L-Selenocystine

Available on request

Order L-Selenocystine (CAS 29621-88-3) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Part of our Carboxylic Acids & Salts range.

Pack sizes
L-Selenocystine chemical structure
CAS number29621-88-3
FormulaC6H12N2O4Se2
Molar mass334.11 g/mol
InChIKeyJULROCUWKLNBSN-IMJSIDKUSA-N
IUPAC name(2R)-2-amino-3-[[(2R)-2-amino-2-carboxyethyl]diselanyl]propanoic acid

About L-Selenocystine

L-Selenocystine is part of the Zemixal carboxylic Acids & Salts range. For your records, the material is defined by CAS 29621-88-3, formula C6H12N2O4Se2 and molar mass 334.11 g/mol.

Common uses in the lab and plant

  • Organic synthesis
  • API synthesis

Handling and storage

It carries the GHS signal word Danger (H301, H331, H373 and H400), so wear gloves and eye protection and work with good ventilation.

Available as 100 mg, 250 mg, 1 g and 5 g. Larger or split packs can be arranged. You receive a batch certificate of analysis and a 16-section SDS with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Typical uses

  • Organic synthesis
  • API synthesis

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of L-Selenocystine
Product nameL-Selenocystine
Catalogue numberZX-045197
CAS number29621-88-3
IUPAC name(2R)-2-amino-3-[[(2R)-2-amino-2-carboxyethyl]diselanyl]propanoic acid
Molecular formulaC6H12N2O4Se2
Molar mass334.11 g/mol
Exact mass335.9128
H-bond donors / acceptors4 / 6
Topological polar surface area127 Ų
InChIKeyJULROCUWKLNBSN-IMJSIDKUSA-N
SMILESC([C@@H](C(=O)O)N)[Se][Se]C[C@@H](C(=O)O)N
PubChem CID207306
Synonyms3,3'-diselane-1,2-diylbis(2-aminopropanoic acid), 3,3'-Diselenobisalanine, 3,3'-Diselenodialanine, Selenocystine, Seleno-L-cystine, Selenocystine, L-, L-3,3'-Diselenodialanine, Alanine, 3,3'-diselenodi-, L-, (2R,2'R)-3,3'-diselanediylbis(2-aminopropanoic acid), 3,3'-Diselenobis[L-alanine], L-Selenocystine Preparation Kit

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS06 Acute toxicity
Acute toxicity
GHS08 Health hazard
Health hazard
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Danger

  • H301Toxic if swallowed
  • H331Toxic if inhaled
  • H373May causes damage to organs through prolonged or repeated exposure
  • H400Very toxic to aquatic life
  • H410Very toxic to aquatic life with long lasting effects

Precautionary statements P260, P261, P264, P270, P271, P273, P301 + P316, P304 + P340, P316, P319, P321, P330, P391, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of L-Selenocystine
100 mgQuoted on request
250 mgQuoted on request
1 gQuoted on request
5 gQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about L-Selenocystine

Which CAS number identifies L-Selenocystine?
L-Selenocystine is registered under CAS 29621-88-3. You may also see it listed as 3,3'-diselane-1,2-diylbis(2-aminopropanoic acid), 3,3'-Diselenobisalanine, 3,3'-Diselenodialanine. Our catalogue number for this item is ZX-045197.
What are the formula and molar mass of L-Selenocystine?
For L-Selenocystine, its formula is C6H12N2O4Se2 and its molar mass is 334.11 g/mol. The systematic (IUPAC) name is (2R)-2-amino-3-[[(2R)-2-amino-2-carboxyethyl]diselanyl]propanoic acid. InChIKey JULROCUWKLNBSN-IMJSIDKUSA-N lets you match it in any structure database.
What grade and pack sizes are available for L-Selenocystine?
The grade and assay are confirmed on the quotation and the batch COA. Standard packs are 100 mg, 250 mg, 1 g, 5 g. Larger quantities and custom packing can be quoted on request.
Which documents come with L-Selenocystine?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship L-Selenocystine to my country?
Yes. Because L-Selenocystine is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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