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Merck

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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General description

Substrate for the determination of acid and alkaline phosphatase

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

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

S0942-VAR: + S0942-200TAB: + S0942-50TAB: + S0942-BULK: + S0942-100TAB:

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Certificates of Analysis (COA)

Lot/Batch Number
0000470156
0000470156
0000504713
0000504713
0000487288

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Molecular therapy. Methods & clinical development, 17, 922-935 (2020-05-15)
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Nature communications, 11(1), 282-282 (2020-01-17)
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