Etelcalcetide

C₃₈H₇₃N₂₁O₁₀S₂ — CID 71511839

About Etelcalcetide

Etelcalcetide (PubChem CID 71511839) has the molecular formula C₃₈H₇₃N₂₁O₁₀S₂ and a molecular weight of 1048.27 g/mol. Its IUPAC name is (2R)-3-[[(2S)-2-acetamido-3-[[(2R)-1-[[(2R)-1-[[(2R)-1-[[(2R)-1-[[(2R)-1-[[(2R)-1-amino-5-(diaminomethylideneamino)-1-oxopentan-2-yl]amino]-1-oxopropan-2-yl]amino]-5-(diaminomethylideneamino)-1-oxopentan-2-yl]amino]-5-(diaminomethylideneamino)-1-oxopentan-2-yl]amino]-5-(diaminomethylideneamino)-1-oxopentan-2-yl]amino]-1-oxopropan-2-yl]amino]-3-oxopropyl]disulfanyl]-2-aminopropanoic acid.

Molecular Properties

• Compound Name: Etelcalcetide
• PubChem CID: 71511839
• Molecular Formula: C₃₈H₇₃N₂₁O₁₀S₂
• Molecular Weight: 1048.27 g/mol
• Exact Mass: 1047.53
• IUPAC Name: (2R)-3-[[(2S)-2-acetamido-3-[[(2R)-1-[[(2R)-1-[[(2R)-1-[[(2R)-1-[[(2R)-1-[[(2R)-1-amino-5-(diaminomethylideneamino)-1-oxopentan-2-yl]amino]-1-oxopropan-2-yl]amino]-5-(diaminomethylideneamino)-1-oxopentan-2-yl]amino]-5-(diaminomethylideneamino)-1-oxopentan-2-yl]amino]-5-(diaminomethylideneamino)-1-oxopentan-2-yl]amino]-1-oxopropan-2-yl]amino]-3-oxopropyl]disulfanyl]-2-aminopropanoic acid
• SMILES: CC(=O)N[C@H](CSSC[C@H](N)C(=O)O)C(=O)N[C@H](C)C(=O)N[C@H](CCCN=C(N)N)C(=O)N[C@H](CCCN=C(N)N)C(=O)N[C@H](CCCN=C(N)N)C(=O)N[C@H](C)C(=O)N[C@H](CCCN=C(N)N)C(N)=O
• InChI: InChI=1S/C38H73N21O10S2/c1-18(28(62)56-22(27(40)61)8-4-12-49-35(41)42)53-30(64)23(9-5-13-50-36(43)44)58-32(66)25(11-7-15-52-38(47)48)59-31(65)24(10-6-14-51-37(45)46)57-29(63)19(2)54-33(67)26(55-20(3)60)17-71-70-16-21(39)34(68)69/h18-19,21-26H,4-17,39H2,1-3H3,(H2,40,61)(H,53,64)(H,54,67)(H,55,60)(H,56,62)(H,57,63)(H,58,66)(H,59,65)(H,68,69)(H4,41,42,49)(H4,43,44,50)(H4,45,46,51)(H4,47,48,52)/t18-,19-,21+,22-,23-,24-,25-,26-/m1/s1
• InChIKey: ANIAZGVDEUQPRI-ZJQCGQFWSA-N
• XLogP: -8.07
• TPSA: 567.71 Ų
• H-Bond Donors: 18
• H-Bond Acceptors: 16
• Rotatable Bonds: 36
• Heavy Atoms: 71
• Complexity: —

Lipinski Rule of Five

3 violations

Rule	Value
MW ≤ 500	1048.27
LogP ≤ 5	-8.07
H-Bond Donors ≤ 5	18
H-Bond Acceptors ≤ 10	16

Computed Properties (RDKit)

• Structural Alerts: {'alert_name': 'Aliphatic_long_chain', 'substructure': 'N/A'}, {'alert_name': 'disulphide', 'substructure': 'N/A'}, {'alert_name': 'imine_1', 'substructure': 'N/A'}, {'alert_name': 'imine_2', 'substructure': 'N/A'}

Frequently Asked Questions

What is the IUPAC name of Etelcalcetide?

The IUPAC name of Etelcalcetide (CID 71511839) is (2R)-3-[[(2S)-2-acetamido-3-[[(2R)-1-[[(2R)-1-[[(2R)-1-[[(2R)-1-[[(2R)-1-[[(2R)-1-amino-5-(diaminomethylideneamino)-1-oxopentan-2-yl]amino]-1-oxopropan-2-yl]amino]-5-(diaminomethylideneamino)-1-oxopentan-2-yl]amino]-5-(diaminomethylideneamino)-1-oxopentan-2-yl]amino]-5-(diaminomethylideneamino)-1-oxopentan-2-yl]amino]-1-oxopropan-2-yl]amino]-3-oxopropyl]disulfanyl]-2-aminopropanoic acid.

What is the SMILES notation for Etelcalcetide?

The canonical SMILES for Etelcalcetide is CC(=O)N[C@H](CSSC[C@H](N)C(=O)O)C(=O)N[C@H](C)C(=O)N[C@H](CCCN=C(N)N)C(=O)N[C@H](CCCN=C(N)N)C(=O)N[C@H](CCCN=C(N)N)C(=O)N[C@H](C)C(=O)N[C@H](CCCN=C(N)N)C(N)=O.

What is the InChIKey of Etelcalcetide?

The InChIKey is ANIAZGVDEUQPRI-ZJQCGQFWSA-N. The full InChI is InChI=1S/C38H73N21O10S2/c1-18(28(62)56-22(27(40)61)8-4-12-49-35(41)42)53-30(64)23(9-5-13-50-36(43)44)58-32(66)25(11-7-15-52-38(47)48)59-31(65)24(10-6-14-51-37(45)46)57-29(63)19(2)54-33(67)26(55-20(3)60)17-71-70-16-21(39)34(68)69/h18-19,21-26H,4-17,39H2,1-3H3,(H2,40,61)(H,53,64)(H,54,67)(H,55,60)(H,56,62)(H,57,63)(H,58,66)(H,59,65)(H,68,69)(H4,41,42,49)(H4,43,44,50)(H4,45,46,51)(H4,47,48,52)/t18-,19-,21+,22-,23-,24-,25-,26-/m1/s1.

What are the key properties of Etelcalcetide?

Etelcalcetide has a molecular weight of 1048.27 g/mol, XLogP of -8.07, 36 rotatable bonds, 18 hydrogen bond donors, and 16 hydrogen bond acceptors.

Where does this data come from?

All data for Etelcalcetide is sourced from PubChem (CID 71511839), the world's largest open chemistry database maintained by the National Library of Medicine (NIH).

Sources

• PubChem CID 71511839 — identifiers, structure, computed properties (public domain)
• DrugCentral drug card 5181 — approved-drug record (CC BY-SA 4.0)

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