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Nucleosides and nucleotides

Nikkomycin B

Also known as 2-[[2-amino-4-hydroxy-4-(4-hydroxyphenyl)-3-methylbutanoyl]amino]-2-[5-(2,4-dioxopyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]acetic acid, 1-(5-{[2-Amino-1,4-dihydroxy-4-(4-hydroxyphenyl)-3-methylbutylidene]amino}-5-deoxyhexofuranuronosyl)-4-hydroxypyrimidin-2(1H)-one

CAS 74342-20-4Formula C21H26N4O10Molar mass 494.46 g/mol
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Nikkomycin B chemical structure, C21H26N4O10, CAS 74342-20-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
74342-20-4
Formula
C21H26N4O10
Molar mass
494.46 g/mol
HS code
293499
Category
Nucleosides and nucleotides

What is Nikkomycin B?

Plain description, key identifiers and synonyms

Nikkomycin B is a chemical substance with the molecular formula C21H26N4O10 and a molar mass of 494.46 g/mol. Its CAS registry number is 74342-20-4. The IUPAC name is 2-[[2-amino-4-hydroxy-4-(4-hydroxyphenyl)-3-methylbutanoyl]amino]-2-[5-(2,4-dioxopyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]acetic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-[[2-amino-4-hydroxy-4-(4-hydroxyphenyl)-3-methylbutanoyl]amino]-2-[5-(2,4-dioxopyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]acetic acid
CAS number
74342-20-4 CAS number cross-checked
Molecular formula
C21H26N4O10
InChIKey
LQZKMASBFQOGJR-UHFFFAOYSA-N
InChI
InChI=1S/C21H26N4O10/c1-8(14(28)9-2-4-10(26)5-3-9)12(22)18(31)24-13(20(32)33)17-15(29)16(30)19(35-17)25-7-6-11(27)23-21(25)34/h2-8,12-17,19,26,28-30H,22H2,1H3,(H,24,31)(H,32,33)(H,23,27,34)
SMILES (canonical and isomeric)
CC(C(C1=CC=C(C=C1)O)O)C(C(=O)NC(C2C(C(C(O2)N3C=CC(=O)NC3=O)O)O)C(=O)O)N

Synonyms

  • 2-[[2-amino-4-hydroxy-4-(4-hydroxyphenyl)-3-methylbutanoyl]amino]-2-[5-(2,4-dioxopyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]acetic acid
  • 1-(5-{[2-Amino-1,4-dihydroxy-4-(4-hydroxyphenyl)-3-methylbutylidene]amino}-5-deoxyhexofuranuronosyl)-4-hydroxypyrimidin-2(1H)-one

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
494.46 g/molcalc.
Exact mass
494.1649 Dacalc.
LogP (octanol/water)
-2.87calc.
Topological polar surface area
237.4 Ųcalc.
Hydrogen bond donors
8calc.
Hydrogen bond acceptors
10calc.
Rotatable bonds
8calc.
Heavy atoms
35calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.43calc.
Formal charge
0calc.
Stereocentres
8calc.
Lipinski rule of five
Passes (1 violation)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, O=C(CCCc1ccccc1)NCC1CCC(n2ccc(=O)[nH]c2=O)O1

O=C(CCCc1ccccc1)NCC1CCC(n2ccc(=O)[nH]c2=O)O1

3 rings, 26 atoms.

3 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.

Nikkomycin B suppliers

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Nikkomycin B 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 Nikkomycin B is traded under.

HS 2934.99Indicative HS code

Nucleic acids and their salts, other heterocyclic compounds, not elsewhere classified in heading 2934

World exports in 2024
$26.7B
+15.0% vs 2023, imports $26.3B
2019 to 2024
Top exporters
  1. Ireland26.3%
  2. China15.7%
  3. Singapore10.3%
Top importers
  1. United States24.5%
  2. Germany23.1%
  3. Japan4.5%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about Nikkomycin B, based on the data on this page

What is Nikkomycin B?

Nikkomycin B is a chemical substance with the molecular formula C21H26N4O10 and a molar mass of 494.46 g/mol. Its CAS registry number is 74342-20-4. The IUPAC name is 2-[[2-amino-4-hydroxy-4-(4-hydroxyphenyl)-3-methylbutanoyl]amino]-2-[5-(2,4-dioxopyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]acetic acid.

What is the CAS number of Nikkomycin B?

The CAS registry number of Nikkomycin B is 74342-20-4.

What is the molecular formula and weight of Nikkomycin B?

The molecular formula of Nikkomycin B is C21H26N4O10 and its molar mass is 494.46 g/mol.

Is Nikkomycin B hazardous?

No GHS hazard classification for Nikkomycin B 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 Nikkomycin B?

Nikkomycin B is usually classified under HS code 293499 (Nucleic acids and their salts, whether or not chemically defined, other heterocyclic…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Nikkomycin B?

Post a free request on CompoundList and suppliers of Nikkomycin B will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Nikkomycin B?

Suppliers quote Nikkomycin B 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 Nikkomycin B

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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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