Product S0942 and 487666 are not identical. While both are pNPP tablets used for the same type of assays, they differ in form and molecular weight. Product S0942 is a disodium salt hexahydrate with a molecular weight of 371.14, whereas 487666 is pNPP but not the disodium salt hexahydrate, with a molecular weight of 217.07. Both tablets are stated to be 5mg tablets of pNPP and are produced by different divisions of the company.
S0942
Phosphatase substrate
chromogenic, tablet (round)
Synonym(s):
4-Nitrophenyl phosphate disodium salt hexahydrate, pNPP disodium salt hexahydrate
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All Photos(2)
About This Item
Linear Formula:
O2NC6H4OP(O)(ONa)2 · 6H2O
CAS Number:
Molecular Weight:
371.14
EC Number:
MDL number:
UNSPSC Code:
12352204
PubChem Substance ID:
NACRES:
NA.54
Pricing and availability is not currently available.
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Product Name
Phosphatase substrate, 5 mg tablets
Quality Level
form
tablet (round)
storage temp.
−20°C
SMILES string
O.O.O.O.O.O.[Na+].[Na+].[O-][N+](=O)c1ccc(OP([O-])([O-])=O)cc1
InChI
1S/C6H6NO6P.2Na.6H2O/c8-7(9)5-1-3-6(4-2-5)13-14(10,11)12;;;;;;;;/h1-4H,(H2,10,11,12);;;6*1H2/q;2*+1;;;;;;/p-2
InChI key
KAKKHKRHCKCAGH-UHFFFAOYSA-L
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Application
Chromogenic substrate for use with alkaline and acid phosphatase ELISA procedures. Produces a soluble end product that is yellow in color and can be read spectrophotometrically at 405 nm. The pNPP reaction may be stopped with 3 N NaOH and read at 405 nm.
Other Notes
Substrate for the determination of acid and alkaline phosphatases.
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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