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Impurities and reference standards

Dehydronitrosonisoldipine

Also known as 3-Isobutyl 5-methyl 2,6-dimethyl-4-(2-nitrosophenyl)pyridine-3,5-dicarboxylate, 3,5-Pyridinedicarboxylic acid, 2,6-dimethyl-4-(2-nitrosophenyl)-, 3-methyl 5-(2-methylpropyl) ester, Nisoldipine Impurity D

CAS 87375-91-5Formula C20H22N2O5Molar mass 370.41 g/mol
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Dehydronitrosonisoldipine chemical structure, C20H22N2O5, CAS 87375-91-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
87375-91-5
Formula
C20H22N2O5
Molar mass
370.41 g/mol
HS code
293339
Category
Impurities and reference standards

What is Dehydronitrosonisoldipine?

Plain description, key identifiers and synonyms

Dehydronitrosonisoldipine is a chemical substance with the molecular formula C20H22N2O5 and a molar mass of 370.41 g/mol. Its CAS registry number is 87375-91-5. The IUPAC name is 5-O-methyl 3-O-(2-methylpropyl) 2,6-dimethyl-4-(2-nitrosophenyl)pyridine-3,5-dicarboxylate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
5-O-methyl 3-O-(2-methylpropyl) 2,6-dimethyl-4-(2-nitrosophenyl)pyridine-3,5-dicarboxylate
CAS number
87375-91-5
Molecular formula
C20H22N2O5
UNII
7C01E7UK8R
InChIKey
UNMSLPIJQICBKA-UHFFFAOYSA-N
InChI
InChI=1S/C20H22N2O5/c1-11(2)10-27-20(24)17-13(4)21-12(3)16(19(23)26-5)18(17)14-8-6-7-9-15(14)22-25/h6-9,11H,10H2,1-5H3
SMILES (canonical and isomeric)
CC1=C(C(=C(C(=N1)C)C(=O)OCC(C)C)C2=CC=CC=C2N=O)C(=O)OC

Synonyms

  • 3-Isobutyl 5-methyl 2,6-dimethyl-4-(2-nitrosophenyl)pyridine-3,5-dicarboxylate
  • 3,5-Pyridinedicarboxylic acid, 2,6-dimethyl-4-(2-nitrosophenyl)-, 3-methyl 5-(2-methylpropyl) ester
  • Nisoldipine Impurity D
  • Nisoldipine Nitroso Impurity 1
  • 5-Methyl 3-(2-methylprop-3-yl) 2,6-dimethyl-4-(2-nitrosophenyl)pyridine-3,5-dicarboxylate
  • O3-isobutyl O5-methyl 2,6-dimethyl-4-(2-nitrosophenyl)pyridine-3,5-dicarboxylate
  • 5-O-methyl 3-O-(2-methylpropyl) 2,6-dimethyl-4-(2-nitrosophenyl)pyridine-3,5-dicarboxylate

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
370.41 g/molcalc.
Exact mass
370.1529 Dacalc.
LogP (octanol/water)
4.36calc.
Topological polar surface area
94.92 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
7calc.
Rotatable bonds
6calc.
Heavy atoms
27calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.35calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccc(-c2ccncc2)cc1

c1ccc(-c2ccncc2)cc1

2 rings, 12 atoms, the 4-Phenylpyridine ring system.

2,779 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Dehydronitrosonisoldipine suppliers

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Dehydronitrosonisoldipine price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Dehydronitrosonisoldipine is traded under.

HS 2933.39Indicative HS code

Heterocyclic compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure…

World exports in 2024
$9.16B
−17.9% vs 2023, imports $10.6B
2019 to 2024
Top exporters
  1. China21.5%
  2. India * partner reported12.3%
  3. Ireland11.6%
Top importers
  1. Germany14.2%
  2. United States12.8%
  3. Brazil10.1%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Dehydronitrosonisoldipine is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Dehydronitrosonisoldipine, based on the data on this page

What is Dehydronitrosonisoldipine?

Dehydronitrosonisoldipine is a chemical substance with the molecular formula C20H22N2O5 and a molar mass of 370.41 g/mol. Its CAS registry number is 87375-91-5. The IUPAC name is 5-O-methyl 3-O-(2-methylpropyl) 2,6-dimethyl-4-(2-nitrosophenyl)pyridine-3,5-dicarboxylate.

What is the CAS number of Dehydronitrosonisoldipine?

The CAS registry number of Dehydronitrosonisoldipine is 87375-91-5.

What is the molecular formula and weight of Dehydronitrosonisoldipine?

The molecular formula of Dehydronitrosonisoldipine is C20H22N2O5 and its molar mass is 370.41 g/mol.

Is Dehydronitrosonisoldipine hazardous?

No GHS hazard classification for Dehydronitrosonisoldipine is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Dehydronitrosonisoldipine?

Dehydronitrosonisoldipine is usually classified under HS code 293339 (Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Dehydronitrosonisoldipine?

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What is the price of Dehydronitrosonisoldipine?

Suppliers quote Dehydronitrosonisoldipine on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Dehydronitrosonisoldipine

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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