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Impurities and reference standards

Bleomycin A5

Also known as Bleomycetin, Pingyangmycin, Zhengguangmycin A5

CAS 11116-32-8Formula C57H89N19O21S2Molar mass 1,440.59 g/molEC 234-357-0
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Bleomycin A5 chemical structure, C57H89N19O21S2, CAS 11116-32-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
11116-32-8
Formula
C57H89N19O21S2
Molar mass
1,440.59 g/mol
EC number
234-357-0
HS code
294190
Category
Impurities and reference standards

What is Bleomycin A5?

Plain description, key identifiers and synonyms

Pingyangmycin is the naturally-occurring bleomycin antineoplastic antibiotic isolated from the bacterium Streptomyces pingyangensisn. Pingyangmycin induces tumor cell apoptosis, possibly via a mechanism mediated by the mitogen-activated protein kinase (MAPK) pathway. (NCI04)

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
[(2S,3S,4S,5R,6R)-2-[(2R,3S,4S,5S,6S)-2-[(1R,2S)-2-[[6-amino-2-[(1S)-3-amino-1-[[(2S)-2,3-diamino-3-oxopropyl]amino]-3-oxopropyl]-5-methylpyrimidine-4-carbonyl]amino]-3-[[(2R,3S,4S)-5-[[(2S,3R)-1-[2-[4-[4-[3-(4-aminobutylamino)propylcarbamoyl]-1,3-thiazol-2-yl]-1,3-thiazol-2-yl]ethylamino]-3-hydroxy-1-oxobutan-2-yl]amino]-3-hydroxy-4-methyl-5-oxopentan-2-yl]amino]-1-(1H-imidazol-5-yl)-3-oxopropoxy]-4,5-dihydroxy-6-(hydroxymethyl)oxan-3-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl] carbamate
CAS number
11116-32-8
EC number
234-357-0
Molecular formula
C57H89N19O21S2
UNII
5DY91Y7601
InChIKey
QYOAUOAXCQAEMW-DDZPZTJXSA-N
InChI
InChI=1S/C57H89N19O21S2/c1-22-35(73-48(76-46(22)61)27(14-33(60)80)68-15-26(59)47(62)86)52(90)75-37(43(28-16-65-21-69-28)95-56-45(41(84)39(82)31(17-77)94-56)96-55-42(85)44(97-57(63)92)40(83)32(18-78)93-55)53(91)70-24(3)38(81)23(2)49(87)74-36(25(4)79)51(89)67-13-8-34-71-30(20-98-34)54-72-29(19-99-54)50(88)66-12-7-11-64-10-6-5-9-58/h16,19-21,23-27,31-32,36-45,55-56,64,68,77-79,81-85H,5-15,17-18,58-59H2,1-4H3,(H2,60,80)(H2,62,86)(H2,63,92)(H,65,69)(H,66,88)(H,67,89)(H,70,91)(H,74,87)(H,75,90)(H2,61,73,76)/t23-,24+,25+,26-,27-,31-,32+,36-,37-,38-,39+,40+,41-,42-,43-,44-,45-,55-,56-/m0/s1
Canonical SMILES
Cc1c(N)nc(C(CC(N)=O)NCC(N)C(N)=O)nc1C(=O)NC(C(=O)NC(C)C(O)C(C)C(=O)NC(C(=O)NCCc1nc(-c2nc(C(=O)NCCCNCCCCN)cs2)cs1)C(C)O)C(OC1OC(CO)C(O)C(O)C1OC1OC(CO)C(O)C(OC(N)=O)C1O)c1cnc[nH]1
Isomeric SMILES
CC1=C(N=C(N=C1N)[C@H](CC(=O)N)NC[C@@H](C(=O)N)N)C(=O)N[C@@H]([C@H](C2=CN=CN2)O[C@H]3[C@H]([C@H]([C@@H]([C@@H](O3)CO)O)O)O[C@H]4[C@H]([C@H]([C@@H]([C@H](O4)CO)O)OC(=O)N)O)C(=O)N[C@H](C)[C@H]([C@H](C)C(=O)N[C@@H]([C@@H](C)O)C(=O)NCCC5=NC(=CS5)C6=NC(=CS6)C(=O)NCCCNCCCCN)O

Synonyms

  • Bleomycetin
  • Pingyangmycin
  • Zhengguangmycin A5
  • N1-(3-((4-Aminobutyl)amino)propyl)bleomycinamide
  • Bleomycinamide, N1-(3-((4-aminobutyl)amino)propyl)-
  • bleomycinamide, N(1)-(3-((4-aminobutyl)amino)propyl)-
  • pingyangmycin a5
  • Bleomycin sulfate impurity b

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
1,440.59 g/molcalc.
Exact mass
1,439.5922 Dacalc.
LogP (octanol/water)
-8.25calc.
Topological polar surface area
665.1 Ųcalc.
Hydrogen bond donors
22calc.
Hydrogen bond acceptors
33calc.
Rotatable bonds
39calc.
Heavy atoms
99calc.
Rings
6calc.
Aromatic rings
4calc.
Fraction sp3 carbons
0.63calc.
Formal charge
0calc.
Stereocentres
19calc.
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=C(CCCNC(=O)C(NC(=O)c1ccncn1)C(OC1OCCCC1OC1CCCCO1)c1cnc[nH]1)NCC(=O)NCCc1nc(-c2nccs2)cs1

O=C(CCCNC(=O)C(NC(=O)c1ccncn1)C(OC1OCCCC1OC1CCCCO1)c1cnc[nH]1)NCC(=O)NCCc1nc(-c2nccs2)cs1

6 rings, 55 atoms.

45 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.

Bleomycin A5 suppliers

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Where suppliers are based

1 supplier in 1 country

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Bleomycin A5 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

  • Antibiotics, Antineoplastic

Roles

  • antineoplastic agent
  • apoptosis inducer
  • bacterial metabolite
  • metabolite
  • pharmaceutical
  • prokaryotic metabolite

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 Bleomycin A5 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 Bleomycin A5 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Bleomycin A5, based on the data on this page

What is Bleomycin A5?

Pingyangmycin is the naturally-occurring bleomycin antineoplastic antibiotic isolated from the bacterium Streptomyces pingyangensisn. Pingyangmycin induces tumor cell apoptosis, possibly via a mechanism mediated by the mitogen-activated protein kinase (MAPK) pathway. (NCI04)

What is the CAS number of Bleomycin A5?

The CAS registry number of Bleomycin A5 is 11116-32-8.

What is the molecular formula and weight of Bleomycin A5?

The molecular formula of Bleomycin A5 is C57H89N19O21S2 and its molar mass is 1,440.59 g/mol.

What is Bleomycin A5 used for?

Known uses and roles of Bleomycin A5 include antineoplastic agent, apoptosis inducer, bacterial metabolite, metabolite, pharmaceutical and 2 more.

Is Bleomycin A5 hazardous?

No GHS hazard classification for Bleomycin A5 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 Bleomycin A5?

Bleomycin A5 is usually classified under HS code 294190 (Antibiotics, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Bleomycin A5?

CompoundList lists 1 supplier of Bleomycin A5 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 Bleomycin A5?

Suppliers quote Bleomycin A5 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 Bleomycin A5

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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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