WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 597556

CAS#: 92891-56-0

Description: Igercine is the C-terminal nonapeptide of immunoglobulin E.

Chemical Structure

CAS# 92891-56-0

Theoretical Analysis

MedKoo Cat#: 597556
Name: Igercine
CAS#: 92891-56-0
Chemical Formula: C39H70N14O12
Exact Mass: 926.5298
Molecular Weight: 927.07
Elemental Analysis: C, 50.53; H, 7.61; N, 21.15; O, 20.71

Price and Availability

This product is not in stock, which may be available by custom synthesis. For cost-effective reason, minimum order is 1g (price is usually high, lead time is 2~3 months, depending on the technical challenge). Quote less than 1g will not be provided. To request quote, please email to sales @medkoo.com or click below button.
Note: Price will be listed if it is available in the future.

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Synonym: Igercine; Ige C-terminal nonapeptide;

IUPAC/Chemical Name: L-arginyl-L-alanyl-L-valyl-L-seryl-L-valyl-L-asparaginyl-L-prolylglycyl-L-lysine


InChi Code: InChI=1S/C39H70N14O12/c1-19(2)29(51-31(57)21(5)47-32(58)22(41)10-8-14-45-39(43)44)36(62)50-25(18-54)33(59)52-30(20(3)4)35(61)49-24(16-27(42)55)37(63)53-15-9-12-26(53)34(60)46-17-28(56)48-23(38(64)65)11-6-7-13-40/h19-26,29-30,54H,6-18,40-41H2,1-5H3,(H2,42,55)(H,46,60)(H,47,58)(H,48,56)(H,49,61)(H,50,62)(H,51,57)(H,52,59)(H,64,65)(H4,43,44,45)/t21-,22-,23-,24-,25-,26-,29-,30-/m0/s1

SMILES Code: NCCCC[C@@H](C(O)=O)NC(CNC([C@H]1N(C([C@H](CC(N)=O)NC([C@H](C(C)C)NC([C@H](CO)NC([C@H](C(C)C)NC([C@H](C)NC([C@H](CCCNC(N)=N)N)=O)=O)=O)=O)=O)=O)CCC1)=O)=O

Appearance: Solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO

Shelf Life: >3 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.03.00

Preparing Stock Solutions

The following data is based on the product molecular weight 927.07 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL

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1: Chipens GI, Antsans IuE, Biseniece DA, Zarin'sh PP, Osis LP. [Synthesis of igercine--the C-terminal nonapeptide from human immunoglobulin E]. Bioorg Khim. 1985 May;11(5):590-7. Russian. PubMed PMID: 3840023.

2: Nikiforovich GV, Balodis IuIu, Chipens GI. [Comparison of conformation characteristics of bradykinin and igercin molecules]. Bioorg Khim. 1988 Mar;14(3):308-12. Russian. PubMed PMID: 3382440.