PEN-221

For research use only. Not for therapeutic Use.

  • CAT Number: I034376
  • CAS Number: 1853254-97-3
  • Molecular Formula: C83H109ClN14O20S4
  • Molecular Weight: 1786.553
  • Purity: 98%
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PEN-221 is discontinued for commercial reason.


Catalog Number I034376
CAS Number 1853254-97-3
Synonyms

PEN-221; PEN 221; PEN221; DM1-conjugate, DM1-Tyr3-octreotate; SSTR2-targeting protein/DM1 conjugate; maytansinoid conjugate;

Molecular Formula C83H109ClN14O20S4
Purity 98%
Solubility Soluble in DMSO
Appearance Solid powder
Storage Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).
IUPAC Name DPhe-cyclo[Cys-Tyr-DTrp-Lys-Thr-Cys]-Cys(DM1)-NH2
InChI InChI=1S/C83H109ClN14O20S4/c1-44-18-17-24-65(115-9)83(113)39-64(116-81(112)96-83)45(2)71-82(5,118-71)66(38-68(102)98(7)62-35-50(32-44)36-63(114-8)69(62)84)117-80(111)46(3)97(6)67(101)29-31-119-120-41-59(72(87)103)92-78(109)61-43-122-121-42-60(93-73(104)54(86)33-48-19-11-10-12-20-48)77(108)90-57(34-49-25-27-52(100)28-26-49)75(106)91-58(37-51-40-88-55-22-14-13-21-53(51)55)76(107)89-56(23-15-16-30-85)74(105)95-70(47(4)99)79(110)94-61/h10-14,17-22,24-28,35-36,40,45-47,54,56-61,64-66,70-71,88,99-100,113H,15-16,23,29-34,37-39,41-43,85-86H2,1-9H3,(H2,87,103)(H,89,107)(H,90,108)(H,91,106)(H,92,109)(H,93,104)(H,94,110)(H,95,105)(H,96,112)/b24-17+,44-18+/t45-,46+,47-,54-,56+,57+,58-,59+,60+,61+,64+,65-,66+,70+,71+,82+,83+/m1/s1
InChIKey JVPMJFUBODFGNB-UFDFPQQFSA-N
SMILES O=C([C@H](CSSC[C@@H](C1=O)NC([C@H](N)CC2=CC=CC=C2)=O)NC([C@@]([H])(NC([C@@H](NC([C@@H](CC3=CNC4=C3C=CC=C4)NC([C@H](CC5=CC=C(O)C=C5)N1)=O)=O)CCCCN)=O)[C@H](O)C)=O)N[C@H](C(N)=O)CSSCCC(N(C)[C@@H](C)C(O[C@@H]6[C@](C)(O7)[C@@H]7[C@H](C)[C@](OC(N8)=O)([H])C[C@]8(O)[C@H](OC)/C=C/C=C(C)/CC9=CC(OC)=C(Cl)C(N(C)C(C6)=O)=C9)=O)=O
Reference

1: White BH, Whalen K, Kriksciukaite K, Alargova RG, Au Yeung T, Bazinet P,
Brockman AH, Dupont M, Oller H, Lemelin CA, Lim Soo P, Moreau B, Perino S, Quinn
JM, Sharma G, Shinde R, Sweryda-Krawiec B, Wooster R, Bilodeau MT. Discovery of
an SSTR2-targeting maytansinoid conjugate (PEN-221) with potent activity in vitro
and in vivo. J Med Chem. 2019 Feb 8. doi: 10.1021/acs.jmedchem.8b02036. [Epub
ahead of print] PubMed PMID: 30735385.

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