© www.sigma-aldrich.com T2786 Tungstosilicic acid Hydrate Sigma Synonym Silicotungstic acid Molecular Formula H4[Si(W3O10)4] · xH2O Molecular Weight 2878.17 CAS Number 12027-43-9 MDL number MFCD00150392 Safety Hazard Codes Xi Risk Statements 36/37/38 Safety Statements 26-36 F 3-10 © www.sigma-aldrich.com P6148 Paraformaldehyde Sigma reagent grade, crystalline Synonym p-Formaldehyde Polyoxymethylene Molecular Formula (CH2O)n Molecular Weight 30.03 CAS Number 30525-89-4 EG/EC Number 2000018 MDL number MFCD00133991 © www.sigma-aldrich.com F8775 Formaldehyde Solution Sigma for molecular biology, 36.5-38% in water Synonym Formalin Molecular Formula HCHO Molecular Weight 30.03 CAS Number 50-00-0 Beilstein Registry Number 1209228 EG/EC Number 2000018 MDL number MFCD00003274 © www.sigma-aldrich.com S3382 Solvent Blue 38 Sigma practical grade Synonym Luxol® Fast Blue MBSN CAS Number 1328-51-4 MDL number MFCD00071424 References RegBook 1 (2), 2829:J / Sigma FT-IR 1 (2), 213:B / Stains and Dyes Ref, 434 Safety Safety Statements 22-24/25 © www.sigma-aldrich.com A6625 Acetylcholine chloride Sigma-Aldrich ≥99% (TLC) Synonym ACh Molecular Formula (CH3)3N+CH2CH2OCOCH3ClMolecular Weight 181.66 CAS Number 60-31-1 Beilstein Registry Number 3571875 EG/EC Number 2004688 MDL number MFCD00011698 © www.sigma-aldrich.com N15405 Nitrotetrazolium Blue chloride Monohydrate Aldrich Molecular Formula C40H30Cl2N10O6 · H2O · CH3OH Molecular Weight 867.69 MDL number MFCD00150013 Descriptions Application Used in the detection of nucleic acid hybridization.1 Also used in the detection of ascorbate peroxidase activity in native gels by inhibition of reduction.2 Properties methanol <8 wt. % mp 189 °C (dec.) (lit.) λmax 259 nm References Cited References 1. J. Clin. Lab Anal. 7, 174, (1993) 2. Anal. Biochem. 212, 540, (1993) FT-IR 2 (3), 4206:A / FT-IR 1 (2), 634:B / IR-Spectra (2), 1068:F / IR-Spectra (3), 1228:C / NMR-Reference 2 (2), 502:D / RegBook 1 (2), 2835:I / Sigma FT-IR 1 (2), 186:A / Stains and Dyes Ref, 523 / Structure Index 1, 455:C:02 Safety Hazard Codes Xn Risk Statements 20/21/22-68/20/21/22 Safety Statements 36/37-45 RTECS XF8045000 © www.sigma-aldrich.com N0505 β-Nicotinamide adenine dinucleotide phosphate Sigma Sodium salt ~98% Synonym β-NADP-Na β-NADP-sodium salt Coenzyme II Sodium salt NADP TPN-Na TPN Triphosphopyridine nucleotide Sodium salt Molecular Formula C21H27N7O17P3 · Na Molecular Weight 765.39 CAS Number 1184-16-3 Beilstein Registry Number 4779954 EG/EC Number 2146646 MDL number MFCD00036973 Descriptions Biochem/physiol Actions Electron acceptor Other Notes This is the common form of NADP. Do not confuse with 3′-NADP or α-NADP. Properties mp 175-178 °C (dec.) (lit.) storage temp. −20°C References Beilstein Beil. 26,IV,3669 FT-IR 2 (3), 3840:B / FT-IR 1 (2), 815:D / IR-Spectra (3), 1356:D / IR-Spectra (2), 1135:F / NMR-Reference 2 (2), 608:B / RegBook 1 (2), 2569:J / Sigma FT-IR 1 (1), 941:C / Structure Index 1, 406:B:5 Safety Risk Statements 36 Safety Statements 36 F 10-21 Fisher Permount* Mounting Medium For both mounting and long-term storage of slides Low viscosity Gives a thinner adhesive layer for better optical quality A refractive index near that of fixed protein helps keep image free of optical imperfections such as diffraction halos Suitable for mounting cover slips to slides with thick or thin specimens Won't shift the colors of biological dyes Won't lose its cohesiveness, adhesive quality, or color with age Preserves most biological dyes with little or no fading when slides are stored in darkness
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