WARNING: This product is for research use only, not for human or veterinary use.
MedKoo CAT#: 596392
CAS#: 116740-51-3
Description: L 156903 is a bioactive chemica that inhibits the binding of neurotensin to brain tissue.
MedKoo Cat#: 596392
Name: L 156903
CAS#: 116740-51-3
Chemical Formula: C35H41N7O5S
Exact Mass: 671.289
Molecular Weight: 671.81
Elemental Analysis: C, 62.57; H, 6.15; N, 14.59; O, 11.91; S, 4.77
This product is not in stock, which may be available by custom synthesis.
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Synonym: L 156903; L-156903; L156903;
IUPAC/Chemical Name: (3-(10H-phenothiazin-10-yl)propanoyl)-L-arginyl-L-prolyl-L-phenylalanine
InChi Key: BMRQFRNJRZLTND-VBOOUTDYSA-N
InChi Code: InChI=1S/C35H41N7O5S/c36-35(37)38-19-8-12-24(39-31(43)18-21-41-26-13-4-6-16-29(26)48-30-17-7-5-14-27(30)41)33(45)42-20-9-15-28(42)32(44)40-25(34(46)47)22-23-10-2-1-3-11-23/h1-7,10-11,13-14,16-17,24-25,28H,8-9,12,15,18-22H2,(H,39,43)(H,40,44)(H,46,47)(H4,36,37,38)/t24-,25-,28-/m0/s1
SMILES Code: O=C(O)[C@H](CC1=CC=CC=C1)NC([C@H]2N(C([C@H](CCCNC(N)=N)NC(CCN3C4=C(C=CC=C4)SC5=CC=CC=C35)=O)=O)CCC2)=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: >2 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: 2934.99.9001
The following data is based on the product molecular weight 671.81 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.
| 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 |
1: Pettibone DJ, Totaro JA, Harris E, Robinson FM. Heterogeneity of [3H]neurotensin bindings: studies with dynorphin, L-156,903 and levocabastine. Brain Res. 1988 Aug 9;457(2):212-8. PubMed PMID: 2905916.
