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85558 Sigma

Spermidine

BioUltra, for molecular biology, ≥99.5% (GC)

Synonym: 1,8-Diamino-4-azaoctane, N-(3-Aminopropyl)-1,4-diaminobutane

  • CAS Number 124-20-9

  • Linear Formula NH2(CH2)3NH(CH2)4NH2

  • Molecular Weight 145.25

  •  Beilstein Registry Number 1698591

  •  EC Number 204-689-0

  •  MDL number MFCD00008229

  •  PubChem Substance ID 57653053

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Properties

Related Categories BioUltra, DNA & RNA Purification, Molecular Biology, Molecular Biology Reagents, Reagents More...
grade   for molecular biology
InChI Key   ATHGHQPFGPMSJY-UHFFFAOYSA-N
product line   BioUltra
assay   ≥99.5% (GC)
form   liquid
impurities   DNases, none detected
  RNases, none detected
  insoluble matter, passes filter test
  phosphatases, none detected
  proteases, none detected
refractive index   n20/D 1.479(lit.)
pH   12.0-13.5 (25 °C, 1 M in H2O)
solubility   H2O: soluble1 M at 20 °C, clear, colorless
density   0.925 g/mL at 25 °C(lit.)
anion traces   chloride (Cl-): ≤50 mg/kg
  sulfate (SO42-): ≤50 mg/kg
cation traces   Al: ≤5 mg/kg
  As: ≤0.1 mg/kg
  Ba: ≤5 mg/kg
  Bi: ≤5 mg/kg
  Ca: ≤10 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤5 mg/kg
  K: ≤50 mg/kg
  Li: ≤5 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Mo: ≤5 mg/kg
  Na: ≤50 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Sr: ≤5 mg/kg
  Zn: ≤5 mg/kg
λ   1 M in H2O
UV absorption   λ: 260 nm Amax: 0.1
  λ: 280 nm Amax: 0.05
Gene Information   rat ... Ppm1a(24666)

Description

Frequently Asked Questions

Frequently Asked Questions are available for this Product.

Caution

Solutions should be sterile-filtered, not autoclaved, if sterile solution is necessary. Spermidine deaminates with time; solutions should be stored frozen. Prepare new solutions frequently.

Other Notes

In first strand cDNA synthesis; Effect on endonuclease inhibition by agarose contaminants

Biochem/physiol Actions

Inhibits neuronal nitric oxide synthase (nNOS). Binds and precipitates DNA; may be used for purification of DNA binding proteins. Stimulates T4 polynucleotide kinase activity.

Price and Availability


Microcon Centrifugal Filters

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Safety & Documentation

Safety Information

Symbol 
GHS05  GHS05
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 2735PSN2 8 / PGII
WGK Germany 
3
RTECS 
EJ7000000
Flash Point(F) 
233.6 °F
Flash Point(C) 
112 °C
Protocols & Articles
Peer-Reviewed Papers
15

References

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