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Merck
CN

S0942

Phosphatase substrate

chromogenic, tablet (round)

Synonym(s):

4-Nitrophenyl phosphate disodium salt hexahydrate, pNPP disodium salt hexahydrate

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About This Item

Linear Formula:
O2NC6H4OP(O)(ONa)2 · 6H2O
CAS Number:
333338-18-4
Molecular Weight:
371.14
NACRES:
NA.54
PubChem Substance ID:
24899454
UNSPSC Code:
12352204
EC Number:
224-246-5
MDL number:
MFCD00066288

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Product Name

Phosphatase substrate, 5 mg tablets

InChI key

KAKKHKRHCKCAGH-UHFFFAOYSA-L

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

SMILES string

O.O.O.O.O.O.[Na+].[Na+].[O-][N+](=O)c1ccc(OP([O-])([O-])=O)cc1

form

tablet (round)

storage temp.

−20°C

Quality Level

300

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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.

General description

Substrate for the determination of acid and alkaline phosphatase

Other Notes

Substrate for the determination of acid and alkaline phosphatases.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
0000504713
0000504713
0000487288
0000487288
0000484192

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Nature communications, 11(1), 282-282 (2020-01-17)
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