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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 123795Generated: November 1, 2026

DELTORPHIN II

DADELT II · Declostatin · DELTORPHIN B · Deltorphin 2 · DELTORPHIN II · Deltorphin 2(TFA) · ala(2)-deltorphini · DAla2]Deltorphin B

https://huagongshe.com/en/chemical/123795

DELTORPHIN II molecular structure

Identifiers & Physical Properties

CAS No.122752-16-3
Molecular formulaC38H54N8O10
Average molar mass782.88 g/mol
SMILESCC(C)C(NC(=O)[C@H](CCC(=O)O)NC(=O)[C@H](Cc1ccccc1)NC(=O)[C@@H](C)NC(=O)[C@@H](N)Cc1ccc(O)cc1)C(=O)N[C@H](C(=O)NCC(N)=O)C(C)C
PubChem CID123795

Chemical & Physical Properties

Boiling point1256.2±65.0 °C(Predicted)
Density1.272±0.06 g/cm3(Predicted)
Storage conditions-20°C
SolubilitySoluble to 1 mg/ml in 10% acetonitrileSoluble to 1 mg/ml in water
Physical statesolid
pKa (acidity coefficient)4.43±0.10(Predicted)
ColorWhite
Biological sourcesynthetic (organic)
InChIKeyNUNBRHVOPFWRRG-RCEFDBTISA-N
SMILESCC(C)[C@H](NC(=O)[C@@H](NC(=O)[C@H](CCC(O)=O)NC(=O)[C@H](Cc1ccccc1)NC(=O)[C@@H](C)NC(=O)[C@@H](N)Cc2ccc(O)cc2)C(C)C)C(=O)NCC(N)=O
UNSPSC Code12352209
NACRESNA.32
Personal protective equipment (PPE)Eyeshields, Gloves, type N95 (US)
Water hazard class (WGK)3
Storage class11 - Combustible Solids

Safety & Regulations

Personal protective equipment (PPE)Eyeshields, Gloves, type N95 (US)
Water hazard class (WGK)3
Storage class11 - Combustible Solids

Applications & Uses

Uses

[D-Ala2]-Deltorphin II (cas# 122752-16-3) is a useful research chemical.Deltorphin II is one of the naturally occurring peptides with high affinity and selectivity for δ-opioid binding sites. Deltorphin II showed even higher affinity for δ-opioid receptors than previously characterized deltorphins. Also, Deltorphin II were identified as new transport substrates of OATP-A