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Impurities and reference standards

Norvancomycin

Also known as Antibiotic a-51568a, Antibiotic a 51568a, Vancomycin EP Impurity A

CAS 91700-98-0Formula C65H73Cl2N9O24Molar mass 1,435.24 g/mol
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Norvancomycin chemical structure, C65H73Cl2N9O24, CAS 91700-98-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
91700-98-0
Formula
C65H73Cl2N9O24
Molar mass
1,435.24 g/mol
HS code
294190
Category
Impurities and reference standards

What is Norvancomycin?

Plain description, key identifiers and synonyms

Norvancomycin is a chemical substance with the molecular formula C65H73Cl2N9O24 and a molar mass of 1,435.24 g/mol. Its CAS registry number is 91700-98-0. The IUPAC name is (1S,2R,18R,19R,22S,25R,28R,40S)-48-[(2S,3R,4S,5S,6R)-3-[(2S,4S,5S,6S)-4-amino-5-hydroxy-4,6-dimethyloxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-19-[[(2R)-2-amino-4-methylpentanoyl]amino]-22-(2-amino-2-oxoethyl)-5,15-dichloro-2,18,32,35,37-pentahydroxy-20,23,26,42,44-pentaoxo-7,13-dioxa-21,24,27,41,43-pentazaoctacyclo[26.14.2.23,6.214,17.18,12.129,33.010,25.034,39]pentaconta-3,5,8(48),9,11,14,16,29(45),30,32,34(39),35,37,46,49-pentadecaene-40-carboxylic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(1S,2R,18R,19R,22S,25R,28R,40S)-48-[(2S,3R,4S,5S,6R)-3-[(2S,4S,5S,6S)-4-amino-5-hydroxy-4,6-dimethyloxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-19-[[(2R)-2-amino-4-methylpentanoyl]amino]-22-(2-amino-2-oxoethyl)-5,15-dichloro-2,18,32,35,37-pentahydroxy-20,23,26,42,44-pentaoxo-7,13-dioxa-21,24,27,41,43-pentazaoctacyclo[26.14.2.23,6.214,17.18,12.129,33.010,25.034,39]pentaconta-3,5,8(48),9,11,14,16,29(45),30,32,34(39),35,37,46,49-pentadecaene-40-carboxylic acid
CAS number
91700-98-0
Molecular formula
C65H73Cl2N9O24
UNII
BP129IOC93
InChIKey
NUAQIRUAZSJTAI-YRPZDAAMSA-N
InChI
InChI=1S/C65H73Cl2N9O24/c1-22(2)11-33(68)57(87)75-48-50(82)25-6-9-37(31(66)13-25)96-39-15-27-16-40(54(39)100-64-55(53(85)52(84)41(21-77)98-64)99-43-20-65(4,70)56(86)23(3)95-43)97-38-10-7-26(14-32(38)67)51(83)49-62(92)74-47(63(93)94)30-17-28(78)18-36(80)44(30)29-12-24(5-8-35(29)79)45(59(89)76-49)73-60(90)46(27)72-58(88)34(19-42(69)81)71-61(48)91/h5-10,12-18,22-23,33-34,41,43,45-53,55-56,64,77-80,82-86H,11,19-21,68,70H2,1-4H3,(H2,69,81)(H,71,91)(H,72,88)(H,73,90)(H,74,92)(H,75,87)(H,76,89)(H,93,94)/t23-,33+,34-,41+,43-,45+,46+,47-,48+,49-,50+,51+,52+,53-,55+,56+,64-,65-/m0/s1
Canonical SMILES
CC(C)CC(N)C(=O)NC1C(=O)NC(CC(N)=O)C(=O)NC2C(=O)NC3C(=O)NC(C(=O)NC(C(=O)O)c4cc(O)cc(O)c4-c4cc3ccc4O)C(O)c3ccc(c(Cl)c3)Oc3cc2cc(c3OC2OC(CO)C(O)C(O)C2OC2CC(C)(N)C(O)C(C)O2)Oc2ccc(cc2Cl)C1O
Isomeric SMILES
C[C@H]1[C@H]([C@@](C[C@@H](O1)O[C@@H]2[C@H]([C@@H]([C@H](O[C@H]2OC3=C4C=C5C=C3OC6=C(C=C(C=C6)[C@H]([C@H](C(=O)N[C@H](C(=O)N[C@H]5C(=O)N[C@@H]7C8=CC(=C(C=C8)O)C9=C(C=C(C=C9O)O)[C@H](NC(=O)[C@H]([C@@H](C1=CC(=C(O4)C=C1)Cl)O)NC7=O)C(=O)O)CC(=O)N)NC(=O)[C@@H](CC(C)C)N)O)Cl)CO)O)O)(C)N)O

Synonyms

  • Antibiotic a-51568a
  • Antibiotic a 51568a
  • Vancomycin EP Impurity A
  • 56-Demethylvancomycin
  • Desmethylvancomycin
  • N-Desmethyl Vancomycin B
  • 91700-98-0(Free Base)

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
1,435.24 g/molcalc.
Exact mass
1,433.4146 Dacalc.
LogP (octanol/water)
-0.15calc.
Topological polar surface area
544.5 Ųcalc.
Hydrogen bond donors
19calc.
Hydrogen bond acceptors
25calc.
Rotatable bonds
12calc.
Heavy atoms
100calc.
Rings
12calc.
Aromatic rings
5calc.
Fraction sp3 carbons
0.42calc.
Formal charge
0calc.
Stereocentres
18calc.
Lipinski rule of five
Fails (3 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, O=C1CCc2ccc(cc2)Oc2cc3cc(c2OC2OCCCC2OC2CCCCO2)Oc2ccc(cc2)CC2NC(=O)C(NC(=O)C3NC(=O)CN1)c1cccc(c1)-c1ccccc1CNC2=O

O=C1CCc2ccc(cc2)Oc2cc3cc(c2OC2OCCCC2OC2CCCCO2)Oc2ccc(cc2)CC2NC(=O)C(NC(=O)C3NC(=O)CN1)c1cccc(c1)-c1ccccc1CNC2=O

12 rings, 69 atoms.

17 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.

Norvancomycin suppliers

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Where suppliers are based

1 supplier in 1 country

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Norvancomycin 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

Pharmacological actions

  • Anti-Bacterial Agents

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 Norvancomycin is traded under.

HS 2941.90Indicative HS code

Antibiotics, other

World exports in 2024
$6.39B
+2.3% vs 2023, imports $6.97B
2019 to 2024
Top exporters
  1. China39.7%
  2. United States11.3%
  3. Switzerland * partner reported10.9%
Top importers
  1. Italy15.0%
  2. India * partner reported12.0%
  3. China8.7%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Norvancomycin?

Norvancomycin is a chemical substance with the molecular formula C65H73Cl2N9O24 and a molar mass of 1,435.24 g/mol. Its CAS registry number is 91700-98-0.

What is the CAS number of Norvancomycin?

The CAS registry number of Norvancomycin is 91700-98-0.

What is the molecular formula and weight of Norvancomycin?

The molecular formula of Norvancomycin is C65H73Cl2N9O24 and its molar mass is 1,435.24 g/mol.

What is Norvancomycin used for?

Known uses and roles of Norvancomycin include anti-bacterial agents.

Is Norvancomycin hazardous?

No GHS hazard classification for Norvancomycin 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 Norvancomycin?

Norvancomycin is usually classified under HS code 294190 (Antibiotics, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Norvancomycin?

CompoundList lists 1 supplier of Norvancomycin in India. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Norvancomycin in India?

1 supplier in India list Norvancomycin on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Norvancomycin?

Suppliers quote Norvancomycin 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 Norvancomycin

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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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