Substance P free acid

Catalog No. size PriceQuantity
M6658-2 2mg solid $142
M6658-10 10mg solid $577


Substance P free acid is a native substance P analog, but shows no biological activity of substance P.

Product information

CAS Number: 71977-09-8

Molecular Weight: 1348.61

Formula: C63H97N17O14S


Substance P free acid


Chemical Name: 2-[[2-[[2-[[2-[[2-[[5-amino-2-[[5-amino-2-[[1-[6-amino-2-[[1-[2-amino-5-(diaminomethylideneamino)pentanoyl]pyrrolidine-2-carbonyl]amino]hexanoyl]pyrrolidine-2-carbonyl]amino]-5-oxopentanoyl]amino]-5-oxopentanoyl]amino]-3-phenylpropanoyl]amino]-3-phenylpropanoyl]amino]acetyl]amino]-4-methylpentanoyl]amino]-4-methylsulfanylbutanoic acid



InChi: InChI=1S/C63H97N17O14S/c1-37(2)33-45(56(87)76-44(62(93)94)27-32-95-3)72-52(83)36-71-53(84)46(34-38-15-6-4-7-16-38)77-57(88)47(35-39-17-8-5-9-18-39)78-55(86)41(23-25-50(66)81)73-54(85)42(24-26-51(67)82)74-58(89)49-22-14-31-80(49)61(92)43(20-10-11-28-64)75-59(90)48-21-13-30-79(48)60(91)40(65)19-12-29-70-63(68)69/h4-9,15-18,37,40-49H,10-14,19-36,64-65H2,1-3H3,(H2,66,81)(H2,67,82)(H,71,84)(H,72,83)(H,73,85)(H,74,89)(H,75,90)(H,76,87)(H,77,88)(H,78,86)(H,93,94)(H4,68,69,70)

Technical Data

Appearance: Solid Power.

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

Solubility: Soluble in DMSO

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥360 days if stored properly.

Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined.

HS Tariff Code: 382200


  1. Patel AB, et al. Substance P (free acid) adopts different conformation than native peptide in DMSO, water and DPPC bilayers. J Biomol Struct Dyn. 2001 Aug;19(1):129-38.

Products are for research use only. Not for human use.

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