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Peptides

Charybdotoxin

Also known as CTX Toxin, ChTX, Quinquestriatus Toxin

CAS 95751-30-7Formula C176H277N57O55S7Molar mass 4,295.97 g/molEC 686-403-8
GHS signal word: Warning. Pictograms: Harmful or irritant 5 suppliers listed
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Charybdotoxin chemical structure, C176H277N57O55S7, CAS 95751-30-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
95751-30-7
Formula
C176H277N57O55S7
Molar mass
4,295.97 g/mol
EC number
686-403-8
HS code
293499
Category
Peptides

What is Charybdotoxin?

Plain description, key identifiers and synonyms

charybdotoxin has been reported in Scorpio and Leiurus quinquestriatus.

Charybdotoxin is a scorpion neurotoxin.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2S)-3-hydroxy-2-[[(2S)-3-(4-hydroxyphenyl)-2-[[(1R,4S,7R,12R,15S,18S,21S,24S,27S,30S,33S,36S,42S,45R,50R,53S,56S,59S,62S,65S,68R,75S,78S,81S,84S,89S,92S,95S)-42,62,75,78-tetrakis(4-aminobutyl)-50-[[(2S)-2-[[(2S)-2-[[(2S)-4-amino-2-[[(2S,3R)-3-hydroxy-2-[[(2S)-2-[[(2S)-5-oxopyrrolidine-2-carbonyl]amino]-3-phenylpropanoyl]amino]butanoyl]amino]-4-oxobutanoyl]amino]-3-methylbutanoyl]amino]-3-hydroxypropanoyl]amino]-27,81-bis(2-amino-2-oxoethyl)-15-(3-amino-3-oxopropyl)-4,18,36-tris(3-carbamimidamidopropyl)-65-(2-carboxyethyl)-30,53,56-tris[(1R)-1-hydroxyethyl]-33,59,92-tris(hydroxymethyl)-24-(1H-imidazol-5-ylmethyl)-89-(1H-indol-3-ylmethyl)-21-(2-methylpropyl)-84-(2-methylsulfanylethyl)-2,5,13,16,19,22,25,28,31,34,37,40,43,51,54,57,60,63,66,74,77,80,83,86,87,90,93,96-octacosaoxo-95-propan-2-yl-9,10,47,48,70,71-hexathia-3,6,14,17,20,23,26,29,32,35,38,41,44,52,55,58,61,64,67,73,76,79,82,85,88,91,94,97-octacosazatricyclo[43.27.14.1112,68]heptanonacontane-7-carbonyl]amino]propanoyl]amino]prop...
CAS number
95751-30-7Other or deprecated CAS: 115422-61-2
EC number
686-403-8
Molecular formula
C176H277N57O55S7
InChIKey
CNVQLPPZGABUCM-LIGYZCPXSA-N
InChI
InChI=1S/C176H277N57O55S7/c1-81(2)58-106-149(263)213-110(62-91-67-191-80-197-91)152(266)215-112(64-127(183)246)156(270)231-135(85(8)240)170(284)219-114(69-234)157(271)200-95(36-25-54-192-174(185)186)138(252)196-68-130(249)199-96(32-17-21-50-177)139(253)222-120-75-291-295-79-124(226-159(273)116(71-236)218-167(281)132(82(3)4)228-155(269)113(65-128(184)247)216-169(283)134(84(7)239)230-154(268)108(59-88-28-13-12-14-29-88)210-145(259)102-44-47-129(248)198-102)166(280)232-137(87(10)242)172(286)233-136(86(9)241)171(285)220-115(70-235)158(272)204-98(34-19-23-52-179)141(255)206-104(45-48-131(250)251)147(261)225-122-77-292-290-74-119(223-143(257)99(35-20-24-53-180)201-140(254)97(33-18-22-51-178)203-153(267)111(63-126(182)245)214-148(262)105(49-57-289-11)208-162(120)276)161(275)205-101(38-27-56-194-176(189)190)144(258)224-121(164(278)211-107(60-89-39-41-92(243)42-40-89)150(264)221-118(73-238)173(287)288)76-293-294-78-123(163(277)207-103(43-46-125(181)244)146(260)202-100(142(256)209-106)37-26-55-193-175(187)188)227-168(282)133(83(5)6)229-160(274)117(72-237)217-151(265)109(212-165(122)279)61-90-66-195-94-31-16-15-30-93(90)94/h12-16,28-31,39-42,66-67,80-87,95-124,132-137,195,234-243H,17-27,32-38,43-65,68-79,177-180H2,1-11H3,(H2,181,244)(H2,182,245)(H2,183,246)(H2,184,247)(H,191,197)(H,196,252)(H,198,248)(H,199,249)(H,200,271)(H,201,254)(H,202,260)(H,203,267)(H,204,272)(H,205,275)(H,206,255)(H,207,277)(H,208,276)(H,209,256)(H,210,259)(H,211,278)(H,212,279)(H,213,263)(H,214,262)(H,215,266)(H,216,283)(H,217,265)(H,218,281)(H,219,284)(H,220,285)(H,221,264)(H,222,253)(H,223,257)(H,224,258)(H,225,261)(H,226,273)(H,227,282)(H,228,269)(H,229,274)(H,230,268)(H,231,270)(H,232,280)(H,233,286)(H,250,251)(H,287,288)(H4,185,186,192)(H4,187,188,193)(H4,189,190,194)/t84-,85-,86-,87-,95+,96+,97+,98+,99+,100+,101+,102+,103+,104+,105+,106+,107+,108+,109+,110+,111+,112+,113+,114+,115+,116+,117+,118+,119+,120+,121+,122+,123+,124+,132+,133+,134+,135+,136+,137+/m1/s1
Canonical SMILES
CSCCC1NC(=O)C2CSSCC(NC(=O)C(CO)NC(=O)C(NC(=O)C(CC(N)=O)NC(=O)C(NC(=O)C(Cc3ccccc3)NC(=O)C3CCC(=O)N3)C(C)O)C(C)C)C(=O)NC(C(C)O)C(=O)NC(C(C)O)C(=O)NC(CO)C(=O)NC(CCCCN)C(=O)NC(CCC(=O)O)C(=O)NC3CSSCC(NC(=O)C(CCCCN)NC(=O)C(CCCCN)NC(=O)C(CC(N)=O)NC1=O)C(=O)NC(CCCNC(=N)N)C(=O)NC(C(=O)NC(Cc1ccc(O)cc1)C(=O)NC(CO)C(=O)O)CSSCC(NC(=O)C(C(C)C)NC(=O)C(CO)NC(=O)C(Cc1c[nH]c4ccccc14)NC3=O)C(=O)NC(CCC(N)=O)C(=O)NC(CCCNC(=N)N)C(=O)NC(CC(C)C)C(=O)NC(Cc1cnc[nH]1)C(=O)NC(CC(N)=O)C(=O)NC(C(C)O)C(=O)NC(CO)C(=O)NC(CCCNC(=N)N)C(=O)NCC(=O)NC(CCCCN)C(=O)N2
Isomeric SMILES
C[C@H]([C@H]1C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H]2CSSC[C@H]3C(=O)N[C@H](C(=O)N[C@@H](CSSC[C@@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)NCC(=O)N[C@H](C(=O)N[C@@H](CSSC[C@@H](C(=O)N1)NC(=O)[C@H](CO)NC(=O)[C@H](C(C)C)NC(=O)[C@H](CC(=O)N)NC(=O)[C@H]([C@@H](C)O)NC(=O)[C@H](CC4=CC=CC=C4)NC(=O)[C@@H]5CCC(=O)N5)C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N3)CCCCN)CCCCN)CC(=O)N)CCSC)CCCCN)CCCNC(=N)N)CO)[C@@H](C)O)CC(=O)N)CC6=CN=CN6)CC(C)C)CCCNC(=N)N)CCC(=O)N)NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC2=O)CC7=CNC8=CC=CC=C87)CO)C(C)C)C(=O)N[C@@H](CC9=CC=C(C=C9)O)C(=O)N[C@@H](CO)C(=O)O)CCCNC(=N)N)CCC(=O)O)CCCCN)CO)[C@@H](C)O)O

Synonyms

  • CTX Toxin
  • ChTX
  • Quinquestriatus Toxin
  • Toxin, CTX
  • Toxin, Quinquestriatus
  • Lqh alpha IT Recombinant
  • Charybdotoxin (reduced)
  • CHARYBDOTOXIN (Native)
  • pE-FTNVSCTTSKECWSVCQRLHNTSRGKCMNKKCRCYS-OH
  • Pyr-Phe-Thr-Asn-Val-Ser-Cys-Thr-Thr-Ser-Lys-Glu-Cys-Trp-Ser-Val-Cys-Gln-Arg-Leu-His-Asn-Thr-Ser-Arg-Gly-Lys-Cys-Met-Asn-Lys-Lys-Cys- Arg-Cys-Tyr-Ser-OH

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
4,295.97 g/molcalc.
Exact mass
4,292.8676 Dacalc.
LogP (octanol/water)
-24.84calc.
Topological polar surface area
1,860 Ųcalc.
Hydrogen bond donors
68calc.
Hydrogen bond acceptors
68calc.
Rotatable bonds
81calc.
Heavy atoms
295calc.
Rings
9calc.
Aromatic rings
5calc.
Fraction sp3 carbons
0.61calc.
Formal charge
0calc.
Stereocentres
40calc.
Lipinski rule of five
Fails (3 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

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

Hazard statements

  • H302Harmful if swallowed.
  • H312Harmful in contact with skin.
  • H332Harmful if inhaled.
Precautionary statements (13)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P317Get medical help.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P501Dispose of contents and container in accordance with local regulations.

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

Charybdotoxin suppliers

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

All 5 suppliers
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Where suppliers are based

5 suppliers in 4 countries

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Charybdotoxin price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Pharmacological actions

  • Neurotoxins

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

Frequently asked questions

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

What is Charybdotoxin?

charybdotoxin has been reported in Scorpio and Leiurus quinquestriatus.

What is the CAS number of Charybdotoxin?

The CAS registry number of Charybdotoxin is 95751-30-7. Other or deprecated CAS numbers: 115422-61-2.

What is the molecular formula and weight of Charybdotoxin?

The molecular formula of Charybdotoxin is C176H277N57O55S7 and its molar mass is 4,295.97 g/mol.

What is Charybdotoxin used for?

Known uses and roles of Charybdotoxin include neurotoxins.

Is Charybdotoxin hazardous?

Charybdotoxin carries the GHS signal word "Warning". Main hazards: harmful if swallowed, harmful in contact with skin, harmful if inhaled. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Charybdotoxin?

Charybdotoxin 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 Charybdotoxin?

CompoundList lists 5 suppliers of Charybdotoxin in China, France, Hong Kong and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Charybdotoxin?

Suppliers quote Charybdotoxin 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 Charybdotoxin

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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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