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Heterocyclic building blocks

Erythromycin B

Also known as Berythromycin, Beritromicina, Berythromycine

CAS 527-75-3Formula C37H67NO12Molar mass 717.94 g/molEC 809-313-4
GHS signal word: Warning. Pictograms: Harmful or irritant 4 suppliers listed
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Erythromycin B chemical structure, C37H67NO12, CAS 527-75-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
527-75-3
Formula
C37H67NO12
Molar mass
717.94 g/mol
EC number
809-313-4
HS code
294150
Category
Heterocyclic building blocks

What is Erythromycin B?

Plain description, key identifiers and synonyms

Erythromycin B is an erythromycin that consists of erythronolide B having 2,6-dideoxy-3-C-methyl-3-O-methyl-alpha-L-ribo-hexopyranosyl and 3,4,6-trideoxy-3-(dimethylamino)-beta-D-xylo-hexopyranosyl residues attahced at positions 4 and 6 respectively. It is functionally related to an erythronolide B.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(3R,4S,5S,6R,7R,9R,11R,12S,13R,14R)-6-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-14-ethyl-7,12-dihydroxy-4-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-3,5,7,9,11,13-hexamethyl-oxacyclotetradecane-2,10-dione
CAS number
527-75-3 CAS number cross-checked
EC number
809-313-4
Molecular formula
C37H67NO12
UNII
AN686JJ1YI
InChIKey
IDRYSCOQVVUBIJ-PPGFLMPOSA-N
InChI
InChI=1S/C37H67NO12/c1-14-26-20(4)29(40)21(5)28(39)18(2)16-36(9,44)33(50-35-30(41)25(38(11)12)15-19(3)46-35)22(6)31(23(7)34(43)48-26)49-27-17-37(10,45-13)32(42)24(8)47-27/h18-27,29-33,35,40-42,44H,14-17H2,1-13H3/t18-,19-,20+,21+,22+,23-,24+,25+,26-,27+,29+,30-,31+,32+,33-,35+,36-,37-/m1/s1
Canonical SMILES
CCC1OC(=O)C(C)C(OC2CC(C)(OC)C(O)C(C)O2)C(C)C(OC2OC(C)CC(N(C)C)C2O)C(C)(O)CC(C)C(=O)C(C)C(O)C1C
Isomeric SMILES
CC[C@@H]1[C@@H]([C@@H]([C@H](C(=O)[C@@H](C[C@@]([C@@H]([C@H]([C@@H]([C@H](C(=O)O1)C)O[C@H]2C[C@@]([C@H]([C@@H](O2)C)O)(C)OC)C)O[C@H]3[C@@H]([C@H](C[C@H](O3)C)N(C)C)O)(C)O)C)C)O)C

Synonyms

  • Berythromycin
  • Beritromicina
  • Berythromycine
  • 12-Deoxyerythromycin
  • Berythromycinum
  • 12-deoxyerythromycin A
  • Erythromycin b (150 mg)
  • Erythromycin B (~90%)
  • Abbot 24091
  • Erythromycin, 12-deoxy-
  • Erythromycin-B
  • Erythromycin B RS
  • Erythromycin B CRS
  • Erythromycin B (>90%)
  • Berythromycin (USAN/INN)
  • Erythromycin, 12-deoxy
  • Erythromycin B Solution in Methanol, 100ug/mL
  • ERB

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
717.94 g/molcalc.
Exact mass
717.4663 Dacalc.
LogP (octanol/water)
2.67calc.
Topological polar surface area
173.7 Ųcalc.
Hydrogen bond donors
4calc.
Hydrogen bond acceptors
13calc.
Rotatable bonds
7calc.
Heavy atoms
50calc.
Rings
3calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.95calc.
Formal charge
0calc.
Stereocentres
18calc.
Lipinski rule of five
Fails (2 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=C1CCCCOC(=O)CC(OC2CCCCO2)CC(OC2CCCCO2)CCC1

O=C1CCCCOC(=O)CC(OC2CCCCO2)CC(OC2CCCCO2)CCC1

3 rings, 30 atoms.

111 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H319Causes serious eye irritation.
Precautionary statements (4)
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P337 + P317If eye irritation persists: Get medical help.

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

Full safety data and first aid

Erythromycin B suppliers

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All 4 suppliers
4 of 4 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

4 suppliers in 4 countries

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Erythromycin 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

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 Erythromycin B is traded under.

HS 2941.50Indicative HS code

Erythromycin and its derivatives, salts thereof

World exports in 2024
$379M
−31.1% vs 2023, imports $408M
2019 to 2024
Top exporters
  1. China79.0%
  2. India * partner reported10.6%
  3. Malaysia1.7%
Top importers
  1. India * partner reported27.3%
  2. Japan9.9%
  3. Croatia6.3%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Erythromycin B?

Erythromycin B is an erythromycin that consists of erythronolide B having 2,6-dideoxy-3-C-methyl-3-O-methyl-alpha-L-ribo-hexopyranosyl and 3,4,6-trideoxy-3-(dimethylamino)-beta-D-xylo-hexopyranosyl residues attahced at positions 4 and 6 respectively. It is functionally related to an erythronolide B.

What is the CAS number of Erythromycin B?

The CAS registry number of Erythromycin B is 527-75-3.

What is the molecular formula and weight of Erythromycin B?

The molecular formula of Erythromycin B is C37H67NO12 and its molar mass is 717.94 g/mol.

What is Erythromycin B used for?

Known uses and roles of Erythromycin B include building blocks in research and laboratory and anti-bacterial agents.

Is Erythromycin B hazardous?

Erythromycin B carries the GHS signal word "Warning". Main hazards: causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Erythromycin B?

Erythromycin B is usually classified under HS code 294150 (Erythromycin and its derivatives, salts thereof). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Erythromycin B?

CompoundList lists 4 suppliers of Erythromycin B in Australia, China, Czech Republic and India. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Erythromycin B in India?

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

What is the price of Erythromycin B?

Suppliers quote Erythromycin 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

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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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