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Impurities and reference standards

Terrabon

Also known as Oxytetracycline calcium, Calcium oxytetracycline, Dioxytetracycline calcium

CAS 13303-91-8Formula C44H46CaN4O18Molar mass 958.94 g/mol
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Terrabon chemical structure, C44H46CaN4O18, CAS 13303-91-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
13303-91-8
Formula
C44H46CaN4O18
Molar mass
958.94 g/mol
HS code
294130
Category
Impurities and reference standards

What is Terrabon?

Plain description, key identifiers and synonyms

Terrabon is a chemical substance with the molecular formula C44H46CaN4O18 and a molar mass of 958.94 g/mol. Its CAS registry number is 13303-91-8. The IUPAC name is calcium bis((6aR,10S,10aR,11S,11aR,12S)-8-carbamoyl-10-(dimethylamino)-4,6a,7,11,12-pentahydroxy-12-methyl-6,9-dioxo-10,10a,11,11a-tetrahydrotetracen-5-olate).

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
calcium bis((6aR,10S,10aR,11S,11aR,12S)-8-carbamoyl-10-(dimethylamino)-4,6a,7,11,12-pentahydroxy-12-methyl-6,9-dioxo-10,10a,11,11a-tetrahydrotetracen-5-olate)
CAS number
13303-91-8Other or deprecated CAS: 7179-50-2
Molecular formula
C44H46CaN4O18
UNII
C8MRZ07FDV
InChIKey
VANYVCHXDYVKSI-MXWBXKMOSA-L
InChI
InChI=1S/2C22H24N2O9.Ca/c2*1-21(32)7-5-4-6-8(25)9(7)15(26)10-12(21)17(28)13-14(24(2)3)16(27)11(20(23)31)19(30)22(13,33)18(10)29;/h2*4-6,12-14,17,25-26,28,30,32-33H,1-3H3,(H2,23,31);/q;;+2/p-2/t2*12-,13-,14+,17+,21-,22+;/m11./s1
Canonical SMILES
CN(C)C1C(=O)C(C(N)=O)=C(O)C2(O)C(=O)C3=C([O-])c4c(O)cccc4C(C)(O)C3C(O)C12.CN(C)C1C(=O)C(C(N)=O)=C(O)C2(O)C(=O)C3=C([O-])c4c(O)cccc4C(C)(O)C3C(O)C12.[Ca+2]
Isomeric SMILES
C[C@@]1([C@H]2[C@@H]([C@H]3[C@@H](C(=O)C(=C([C@]3(C(=O)C2=C(C4=C1C=CC=C4O)[O-])O)O)C(=O)N)N(C)C)O)O.C[C@@]1([C@H]2[C@@H]([C@H]3[C@@H](C(=O)C(=C([C@]3(C(=O)C2=C(C4=C1C=CC=C4O)[O-])O)O)C(=O)N)N(C)C)O)O.[Ca+2]

Synonyms

  • Oxytetracycline calcium
  • Calcium oxytetracycline
  • Dioxytetracycline calcium
  • Oxytetracycline calcium salt
  • Calcium dioxytetracycline
  • Oxytetracycline hemicalcium
  • calcium, (6aR,10S,10aR,11S,11aR,12S)-8-carbamoyl-10-(dimethylamino)-4,6a,7,11,12-pentahydroxy-12-methyl-6,9-dioxo-10,10a,11,11a-tetrahydrotetracen-5-olate
  • 4-(Dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,6,10,12,12a-hexahydroxy-6-methyl-1,11-dioxo-2-naphthacenecarboxamide calcium salt

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
958.94 g/molcalc.
Exact mass
958.2433 Dacalc.
LogP (octanol/water)
-5.58calc.
Topological polar surface area
409.4 Ųcalc.
Hydrogen bond donors
12calc.
Hydrogen bond acceptors
20calc.
Rotatable bonds
4calc.
Heavy atoms
67calc.
Rings
8calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.41calc.
Formal charge
0calc.
Stereocentres
12calc.
Components
3calc.
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=C1C=CC2C(=O)C3=Cc4ccccc4CC3CC2C1

O=C1C=CC2C(=O)C3=Cc4ccccc4CC3CC2C1

4 rings, 20 atoms.

278 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.

Terrabon suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

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  • EvitaChem
    China, BeijingUnclaimed profile
    TerrabonGrade, purity and minimum order on request
    Price on request
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Where suppliers are based

1 supplier in 1 country

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Terrabon price

Indicative price range per kg from live supplier offers

No published prices right now

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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 Terrabon is traded under.

HS 2941.30Indicative HS code

Tetracyclines and their derivatives, salts thereof

World exports in 2024
$565M
+0.2% vs 2023, imports $539M
2019 to 2024
Top exporters
  1. China66.0%
  2. Italy10.7%
  3. Portugal7.2%
Top importers
  1. United States11.6%
  2. India * partner reported8.9%
  3. Italy7.7%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Terrabon?

Terrabon is a chemical substance with the molecular formula C44H46CaN4O18 and a molar mass of 958.94 g/mol. Its CAS registry number is 13303-91-8.

What is the CAS number of Terrabon?

The CAS registry number of Terrabon is 13303-91-8. Other or deprecated CAS numbers: 7179-50-2.

What is the molecular formula and weight of Terrabon?

The molecular formula of Terrabon is C44H46CaN4O18 and its molar mass is 958.94 g/mol.

Is Terrabon hazardous?

No GHS hazard classification for Terrabon 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 Terrabon?

Terrabon is usually classified under HS code 294130 (Tetracyclines and their derivatives, salts thereof). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Terrabon?

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

What is the price of Terrabon?

Suppliers quote Terrabon 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 Terrabon

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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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