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Home/Compounds/CAS 1738-77-8
Formula C20H27NO5SMW 393.5Research-use catalog entryCOA/SDS by request

L-Leucine, phenylmethyl ester, 4-methylbenzenesulfonate (1:1)

CAS Number: 1738-77-8

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Loading RDKit molecule structure...
InChIKey: QTQGHKVYLQBJLO-YDALLXLXSA-NC20H27NO5S | MW 393.5

Chemical Absolute Identifiers

CAS Number

1738-77-8

PubChem CID

6451312

Molecular Formula

C20H27NO5S

Molecular Weight

393.5 g/mol

Exact Mass

393.160994

InChIKey

QTQGHKVYLQBJLO-YDALLXLXSA-N

IUPAC Name

benzyl (2S)-2-amino-4-methylpentanoate;4-methylbenzenesulfonic acid

SMILES String

CC(C)C[C@H](N)C(=O)OCc1ccccc1.Cc1ccc(S(=O)(=O)O)cc1

Physical Properties

No physical property values available.

Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.

Catalog Facts

Structural features

L-Leucine, phenylmethyl ester, 4-methylbenzenesulfonate (1:1) (CAS 1738-77-8) is listed in the Advanced Chemicals portfolio, with molecular formula C20H27NO5S and molecular weight 393. 50 g/mol.

Sourcing context

Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.

Research use context

Intended for research building-block and synthetic chemistry workflows; structure-derived tags include nitrogen-containing heterocycle.

Documentation needs

COA/SDS status, availability, lead time, pack size, and shipment documentation can be confirmed during quotation.

Applications & Classification

Organic Building BlocksSynthetic ChemistryResearch intermediateCustom synthesis building blockResearch chemical sourcingCustom synthesis and catalog availability reviewCOA, SDS, pricing, and fulfillment workflow

Safety & Handling

Safety and handling reference content is available through documentation requests.

For supplier-issued SDS, request documentation before handling, storage, shipment, or procurement decisions.

Preliminary Safety Reference

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Safety Reference / SDS Request

Names & Synonyms / External Identifiers

Chemical Name

L-Leucine, phenylmethyl ester, 4-methylbenzenesulfonate (1:1)

Names & Synonyms

O-Benzyl-L-leucine toluene-p-sulphonateL-Leucine benzyl ester p-toluenesulfonate saltL-Leucine Benzyl Ester p-ToluenesulfonateH-Leu-OBzl.TosOH(S)-Benzyl 2-amino-4-methylpentanoate 4-methylbenzenesulfonate
Show all synonyms
l-leucine benzyl ester 4-toluenesulfonate saltL-Leucine Benzyl Ester p-MethylbenzenesulfonateLeu-OBzl TsOHH-Leu-OBzl TsOHH-Leu-OBzl TosOHH-Leu-OBzl-TosOHL-Leu-OBzl.TosOHH-Leu-OBzl.Tos-OHH-Leu-OBzl . p-tosylateH-Leu-OBzl p-toluenesulfonatebenzyl leucinate p-toluenesulfonateleucine benzyl ester p-toluenesulfonateleucine benzyl ester p-toluene sulfonateL-Leucinebenzylesterp-toluenesulfonatesaltL0195
External Identifiers
EC NUMBER: 217-095-1DSSTOX SUBSTANCE ID: DTXSID70169658WIKIDATA ID: Q72487323
Experimental Spectrum References
ATR-IR Spectra — Bio-Rad Laboratories, Inc.Raman Spectra — Bio-Rad Laboratories, Inc.

Documentation & Compliance Facts

Compliance Facts

Shipment review: Required

Documentation available by request

Certificate of Analysis (COA): By request

Supplier Safety Data Sheet (SDS): By request

Purity and pack size confirmation: By request

Availability and lead time review: Confirmed by RFQ

Shipment documentation review: By request

For supplier-issued documentation by request, use the RFQ actions on this page.Review preliminary safety reference

What happens after RFQ

  1. 1We review the CAS identity, quantity, and documentation request.
  2. 2We check sourcing options, supplier availability, COA/SDS, purity, pack size, and lead time.
  3. 3We review destination and shipment documentation needs when applicable.
  4. 4We follow up with a quotation or clarification request.

Text Reference Cues

Show non-linked catalog cues

Non-public related references

O-benzyl-L-tyrosine toluene-p-sulphonateCAS 53587-11-4
2-(Benzyloxycarbonylamino)ethyl 4-methylbenzenesulfonateCAS 93407-96-6
Phenethyl tosylateCAS 4455-09-8
Ethyl (2S)-2-(((4-methylphenyl)sulfonyl)oxy)propanoateCAS 57057-80-4
(S)-2-(Toluene-4-sulfonyloxy)-propionic acidCAS 70836-98-5

Non-public references are shown as text only and do not imply equivalence, availability, or shared use.

Catalog navigation

Related Catalog Entries

Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.

CAS 53587-11-4O-benzyl-L-tyrosine toluene-p-sulphonateCAS 93407-96-62-(Benzyloxycarbonylamino)ethyl 4-methylbenzenesulfonateCAS 1002310-00-0Tert-butyl 1-(2-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethylcarbamateCAS 1005174-17-3(E)-3-(2-Propyl-6-(trifluoromethyl)pyridin-3-yl)acrylic acidCAS 1018125-49-92-(3-Cyclopropyl-6-ethyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acidCAS 1018128-07-8Isopropyl 4-chloro-2-methylquinoline-6-carboxylateCAS 1018142-22-76-cyclopropyl-1-(2,2-difluoroethyl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acidCAS 1018144-00-72-(3-Cyclopropyl-6-isopropyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acid

RFQ questions for CAS 1738-77-8

What are the key identifiers for L-Leucine, phenylmethyl ester, 4-methylbenzenesulfonate (1:1) (CAS 1738-77-8)?

L-Leucine, phenylmethyl ester, 4-methylbenzenesulfonate (1:1) is identified by CAS 1738-77-8, with molecular formula C20H27NO5S, molecular weight 393.5, InChIKey QTQGHKVYLQBJLO-YDALLXLXSA-N.

Can I request a COA for CAS 1738-77-8?

Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.

Can I request supplier SDS for L-Leucine, phenylmethyl ester, 4-methylbenzenesulfonate (1:1)?

Yes. Supplier SDS can be requested through the RFQ workflow before handling, storage, shipment, or procurement decisions.

Is CAS 1738-77-8 available for quotation?

Availability, pack size, lead time, and pricing are confirmed through RFQ.

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