ChemAbout is a B2B platform where chemical buyers and suppliers discover each other.

Post a purchase request List your products (for suppliers)

© 2026 ChemAbout

Compound Index|Demand Board|Insights|Exhibitions|Compliance|Help Center|Privacy Policy|Terms of Service|contact@chemabout.com

Thymalfasin (CAS 62304-98-7) | ChemAbout

Home/Compounds/Pharmaceutical Intermediate/Thymalfasin

Sourcing Thymalfasin?

Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.

Post a Purchase Request→Supplier? List your product for this CAS→

Related Compounds

ApplicationSame Use

Norquetiapine dihydrochloride

pharmaceutical intermediate

ApplicationSame Use

(2R)-1-[4-[4-[(5-Chloro-4-pyrazolo[1,5-a]pyridin-3-ylpyrimidin-2-yl)amino]-3,5-dimethylpyrazol-1-yl]piperidin-1-yl]-2-hydroxypropan-1-one

CAS1905412-80-7

pharmaceutical intermediate

ReferenceSame Category

Palmitoyl tripeptide-5 triflate

pharmaceutical intermediate

ReferenceSame Category

Tert-Butyl O,O-dimethylphosphonoacetate

pharmaceutical intermediate

ReferenceSame Category

L-Glutamic acid 5-tert-butyl 1-methyl ester hydrochloride

pharmaceutical intermediate

ReferenceSame Category

(R)-4-Cbz-2-methylpiperazine

pharmaceutical intermediate

Referencestereoisomer of

4-[2-[[2-[[2-[[2-[[2-[[2-[[2-[[2-[[2-[[2-[[2-[[2-[[2-[[2-[[2-[[2-[[2-[[2-[[2-[[2-[[2-[[2-[2-[2-[[2-[(2-acetamido-3-hydroxypropanoyl)amino]-3-carboxypropanoyl]amino]propanoylamino]propanoylamino]-3-methylbutanoyl]amino]-3-carboxypropanoyl]amino]-3-hydroxybutanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-4-carboxybutanoyl]amino]-3-methylpentanoyl]amino]-3-hydroxybutanoyl]amino]-3-hydroxybutanoyl]amino]-6-aminohexanoyl]amino]-3-carboxypropanoyl]amino]-4-methylpentanoyl]amino]-6-aminohexanoyl]amino]-4-carboxybutanoyl]amino]-6-aminohexanoyl]amino]-6-aminohexanoyl]amino]-4-carboxybutanoyl]amino]-3-methylbutanoyl]amino]-3-methylbutanoyl]amino]-4-carboxybutanoyl]amino]-4-carboxybutanoyl]amino]propanoylamino]-5-[(3-amino-1-carboxy-3-oxopropyl)amino]-5-oxopentanoic acid

pharmaceutical raw material

Related Reading

Therapeutic Peptides in 2026: This Year's Breakthroughs

2026 has been a concentrated year for peptide therapeutics. Efficacy reached a new high in late-stage trials, the obesity field moved beyond the incretins to amylin, the oral route reached weight management, and peptide-guided radioligand therapy kept advancing — each point tied to a specific 2025–2026 result.

Sourcing Thymalfasin?

Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.

Post a Purchase Request→Supplier? List your product for this CAS→

C₁₂₉H₂₁₅N₃₃O₅₅

3108.3 g/mol

Pharmaceutical Intermediate

Thymalfasin

CAS62304-98-7

Category

Pharmaceutical Intermediate

Compound Class

Peptide

Primary Use

Pharmaceutical Intermediate

Thymalfasin is a synthetic polypeptide used as an active pharmaceutical ingredient intermediate in manufacturing processes. It is derived from the sequence of thymosin alpha-1 and is supplied as a research-grade compound for pharmaceutical development.

pharmaceutical intermediate for peptide synthesisresearch compound for biochemical studies

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

Customs Tariff Classification

The international HS code for Thymalfasin (CAS 62304-98-7) is 3002.13.

HS code (international, 6-digit)

3002.13

EU CN code (8-digit)

3002 13 00

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers

IUPAC Name

(4S)-4-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-2-[[(2S,3R)-2-[[(2S,3S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-acetamido-3-hydroxypropanoyl]amino]-3-carboxypropanoyl]amino]propanoyl]amino]propanoyl]amino]-3-methylbutanoyl]amino]-3-carboxypropanoyl]amino]-3-hydroxybutanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-4-carboxybutanoyl]amino]-3-methylpentanoyl]amino]-3-hydroxybutanoyl]amino]-3-hydroxybutanoyl]amino]-6-aminohexanoyl]amino]-3-carboxypropanoyl]amino]-4-methylpentanoyl]amino]-6-aminohexanoyl]amino]-4-carboxybutanoyl]amino]-6-aminohexanoyl]amino]-6-aminohexanoyl]amino]-4-carboxybutanoyl]amino]-3-methylbutanoyl]amino]-3-methylbutanoyl]amino]-4-carboxybutanoyl]amino]-4-carboxybutanoyl]amino]propanoyl]amino]-5-[[(1S)-3-amino-1-carboxy-3-oxopropyl]amino]-5-oxopentanoic acid

InChIKey

NZVYCXVTEHPMHE-ZSUJOUNUSA-N

Synonyms (28)

.alpha.1-ThymosinThymalfasin
THYMALFASIN (THYMOSIN ALPHA1)
Thymalfasin
Thymalfasin Impurity 9
Thymlfasin
Thymosin ?1
Thymosin ?1 acetate
Thymosin I+/-1 bovine
Thymosin a1 (cattle)
Thymosin alpha 1
Thymosin alpha-1 Acetate
Thymosin alpha1 (cattle)
Thymosin alpha1 (human)
Thymosin alpha1 (ox)
Thymosin alpha?
Thymosins thymalfasin
Zadaxin
alpha1 Thymosin
thymalfasine
thymalfasinum
timalfasina

SMILES

CC[C@H](C)[C@@H](C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(=O)O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](C)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CC(=O)N)C(=O)O)NC(=O)[C@H](CCC(=O)O)NC(=O)[C@H](CO)NC(=O)[C@H](CO)NC(=O)[C@H]([C@@H](C)O)NC(=O)[C@H](CC(=O)O)NC(=O)[C@H](C(C)C)NC(=O)[C@H](C)NC(=O)[C@H](C)NC(=O)[C@H](CC(=O)O)NC(=O)[C@H](CO)NC(=O)C