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API Process Intermediates & Related Compounds

L-Valine benzyl ester p-toluene sulfonate

Available on request

Buy L-Valine benzyl ester p-toluene sulfonate (CAS 16652-76-9) from Zemixal: C19H25NO5S, COA and SDS with every lot, worldwide shipping.

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L-Valine benzyl ester p-toluene sulfonate chemical structure
CAS number16652-76-9
FormulaC19H25NO5S
Molar mass379.5 g/mol
Physical formSolid
HS code2933
InChIKeyQWUQVUDPBXFOKF-MERQFXBCSA-N
IUPAC namebenzyl (2S)-2-amino-3-methylbutanoate;4-methylbenzenesulfonic acid

About L-Valine benzyl ester p-toluene sulfonate

L-Valine benzyl ester p-toluene sulfonate is part of the Zemixal API Process Intermediates & Related Compounds range. Key data: CAS 16652-76-9, formula C19H25NO5S and molar mass 379.5 g/mol. It is handled as a solid.

Typical applications

  • API route development
  • Impurity fate & purge studies
  • Analytical method development
  • Fine chemical synthesis

Safe handling

It carries the GHS signal word Warning (H317 and H319), so wear gloves and eye protection and work with good ventilation.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Valine

See every impurity, metabolite and related compound we list for this API.

Valine standards

Typical uses

  • API route development
  • Impurity fate & purge studies
  • Analytical method development
  • Fine chemical synthesis

Applications

Specifications and identifiers

Specifications of L-Valine benzyl ester p-toluene sulfonate
Product nameL-Valine benzyl ester p-toluene sulfonate
Catalogue numberZX-044355
CAS number16652-76-9
IUPAC namebenzyl (2S)-2-amino-3-methylbutanoate;4-methylbenzenesulfonic acid
Molecular formulaC19H25NO5S
Molar mass379.5 g/mol
Exact mass379.1453
Physical formSolid
H-bond donors / acceptors2 / 6
Topological polar surface area115 Ų
HS code2933
InChIKeyQWUQVUDPBXFOKF-MERQFXBCSA-N
SMILESCC1=CC=C(C=C1)S(=O)(=O)O.CC(C)[C@@H](C(=O)OCC1=CC=CC=C1)N
PubChem CID11567066
SynonymsL-Valine benzyl ester p-toluenesulfonate salt, O-Benzyl-L-valine toluene-p-sulphonate, L-Valine, phenylmethyl ester, 4-methylbenzenesulfonate (1:1), H-Val-OBzl.TosOH, L-Valine benzyl ester 4-toluenesulfonate, Val-OBzl TosOH, L-Valine benzyl ester tosylate, L-Valine, phenylmethyl ester, 4-methylbenzenesulfonate, L-Valine benZyl ester p-toluenesulfonate (H-L-Val-OBZl.Tos), H-Val-Obzl TosOH, L-Valine benzyl ester 4-toluenesulfonate salt

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

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H317May cause an allergic skin reaction
  • H319Causes serious eye irritation

Precautionary statements P261, P264 + P265, P272, P280, P302 + P352, P305 + P351 + P338, P321, P333 + P317, P337 + P317, P362 + P364, 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-Valine benzyl ester p-toluene sulfonate
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted 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-Valine benzyl ester p-toluene sulfonate

Which CAS number identifies L-Valine benzyl ester p-toluene sulfonate?
L-Valine benzyl ester p-toluene sulfonate is registered under CAS 16652-76-9. You may also see it listed as L-Valine benzyl ester p-toluenesulfonate salt, O-Benzyl-L-valine toluene-p-sulphonate, L-Valine, phenylmethyl ester, 4-methylbenzenesulfonate (1:1). Our catalogue number for this item is ZX-044355.
What are the formula and molar mass of L-Valine benzyl ester p-toluene sulfonate?
For L-Valine benzyl ester p-toluene sulfonate, its formula is C19H25NO5S and its molar mass is 379.5 g/mol. InChIKey QWUQVUDPBXFOKF-MERQFXBCSA-N lets you match it in any structure database.
How is L-Valine benzyl ester p-toluene sulfonate used in pharmaceutical QC?
L-Valine benzyl ester p-toluene sulfonate is a characterised reference material linked to Valine. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for L-Valine benzyl ester p-toluene sulfonate?
The grade and assay are confirmed on the quotation and the batch COA. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with L-Valine benzyl ester p-toluene sulfonate?
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-Valine benzyl ester p-toluene sulfonate to my country?
Yes. Because L-Valine benzyl ester p-toluene sulfonate 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.
L-Valine Amide
CAS
3014-80-0
Formula
C5H13ClN2O
MW
152.62 g/mol
ZX-039313

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