BCIP/NBT Alkaline Phosphatase Substrate



Quality Level


water: 10 mL, clear, yellow

storage temp.



SIGMAFAST BCIP®/NBT has been used as a substrate
  • for the anti-mouse IgG conjugated alkaline phosphatase in immunoblotting
  • for alkaline phosphatase in the histochemical staining of primary osteoblasts
  • for alkaline phosphatase staining in bone marrow stromal cells


Each tablet dissolved in 10 ml deionized water yields a ready-to-use buffered solution containing BCIP/NBT, pH 9.5.

Legal Information

BCIP is a registered trademark of Sigma-Aldrich Co. LLC
SIGMAFAST is a trademark of Sigma-Aldrich Co. LLC


NONH for all modes of transport

WGK Germany


Mitogen-activated protein kinase phosphatase 1 regulates bone mass, osteoblast gene expression, and responsiveness to parathyroid hormone
Mahalingam CD, et al.
The Journal of Endocrinology, 211(2), 145-156 (2011)
MicroRNA-183-5p increases with age in bone-derived extracellular vesicles, suppresses bone marrow stromal (stem) cell proliferation, and induces stem cell senescence
Davis C, et al.
Tissue Engineering: Part A, 23(21-22), 1231-1240 (2017)
Sialic acid on herpes simplex virus type 1 envelope glycoproteins is required for efficient infection of cells
Teuton JR and Brandt CR
Journal of Virology, 81(8), 3731-3739 (2007)
Colleen Davis et al.
Tissue engineering. Part A, 23(21-22), 1231-1240 (2017-04-02)
Microvesicle- and exosome-mediated transport of microRNAs (miRNAs) represents a novel cellular and molecular pathway for cell-cell communication. In this study, we tested the hypothesis that these extracellular vesicles (EVs) and their miRNAs might change with age, contributing to age-related stem...
R Gonzalez-Castro et al.
Inflammopharmacology, 26(3), 817-827 (2017-11-03)
The main amyloid-beta (Aβ) variants detected in the human brain are full-length Aβ1-40 and Aβ1-42 peptides; however, a significant proportion of AD brain Aβ consists also of N-terminal truncated/modified species. The majority of the previous immunotherapeutic strategies targeted the N-terminal...
Nitroblue Tetrazolium (NBT) is used with the alkaline phosphatase substrate 5-Bromo- 4-Chloro-3-Indolyl Phosphate (BCIP) in western blotting and immunohistological staining procedures. These substrate systems produce an insoluble NBT diformazan end product that is blue to purple in color and can be observed visually.
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5-bromo-4-chloro-3-indolyl phosphate (BCIP)/nitro blue tetrazolium (NBT) is an ideal insoluble substrate for use with alkaline phosphatase. This system produces a blue-purple product. The intense color can be observed visually, is very stable, and will not fade upon exposure to light.
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Use this protocol to for the entire immunohistochemistry (IHC) procedure through staining and visualization of specific antigens in paraffin-embedded tissue sections.
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