Thymosin Beta

Thymosin Beta (CAS 77591-33-4) — peptide (43-residue). Supplied in bulk from 1 kg at ≥99.0% (HPLC) purity, with specification, Certificate of Analysis and Safety Data Sheet.

Product summary for procurement. The specification, Safety Data Sheet and batch Certificate of Analysis are supplied as separate documents. Not medical advice.

1. Identity

Product name	Thymosin Beta
Synonyms	Thymosin β4, Timbetasin
CAS number	77591-33-4
Molecular formula	C212H350N56O78S
Molecular weight	4963.4
Product type	Peptide (43-residue)
Category	Peptides & Peptide Materials
Identity testing	Confirmed for every batch on the Certificate of Analysis

43-residue actin-sequestering peptide of the beta-thymosin family.

2. Quality and handling

Purity	≥99.0% (HPLC)
Physical form	Stated on the Certificate of Analysis.
Storage	Stated on the Safety Data Sheet and Certificate of Analysis supplied with each batch.
Packaging	Sealed, labelled containers suited to the order quantity; confirmed on your quotation.

3. Test parameters

Appearance (Visual)	Conforms
Solubility (Visual (stated solvent and concentration))	Conforms
Identity (molecular mass) (ESI-MS)	Conforms
Purity (RP-HPLC (area %))	≥ 99.0 %
Largest single impurity (RP-HPLC (area %))	Per specification
Peptide content (Nitrogen analysis or amino acid analysis)	Per specification
Water content (Karl Fischer)	Per specification
Counter-ion (acetate / TFA) (Ion chromatography or HPLC)	Per specification
Residual solvents (GC headspace (ICH Q3C))	Conforms: Meets ICH Q3C limits
Bacterial endotoxins (LAL (Ph. Eur. 2.6.14 / USP <85>))	Per specification
Amino acid analysis (AAA after hydrolysis)	Report result

Batch results are reported on the Certificate of Analysis supplied with each order.

4. Regulatory information

Classification	Supplied with buyer declaration
Status notes	Regulatory status for your destination is confirmed during compliance review.
Enquiry handling	Online quote; buyer declaration checked at payment

5. Documentation

Product specification	Prepared for you and released to your private enquiry page on request
Certificate of Analysis (COA)	Issued for your batch and shipped with the order
Safety Data Sheet (SDS)	Prepared for you and released to your private enquiry page on request
Analytical data (chromatograms / spectra)	Prepared for you and released to your private enquiry page on request
End-use / end-user declaration	Prepared for you and released to your private enquiry page on request