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  • Product Name: Cytochalasin B
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  • Purity: 98.0%
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14930-96-2

14930-96-2 structure
14930-96-2 structure
  • Name: Cytochalasin B
  • Chemical Name: cytochalasin B
  • CAS Number: 14930-96-2
  • Molecular Formula: C29H37NO5
  • Molecular Weight: 479.608
  • Catalog: API Antibiotics Other antibiotics
  • Create Date: 2018-04-18 08:00:00
  • Modify Date: 2024-01-04 16:06:24
  • Cytochalasin B is a cell-permeable mycotoxin binding to the barbed end of actin filaments, disrupting the formation of actin polymers, with Kd value of 1.4-2.2 nM for F-actin.

Name cytochalasin B
Synonyms EINECS 239-000-2
2H-Oxacyclotetradecino[2,3-d]isoindole-2,18(5H)-dione, 6,7,8,9,10,12a,13,14,15,15a,16,17-dodecahydro-5,13-dihydroxy-9,15-dimethyl-14-methylene-16-(phenylmethyl)-, (3E,5R,9R,11E,12aS,13S,15S,15aS,16S,18aS)-
(3E,5R,9R,11E,12aS,13S,15S,15aS,16S,18aS)-16-Benzyl-5,13-dihydroxy-9,15-dimethyl-14-methylene-6,7,8,9,10,12a,13,14,15,15a,16,17-dodecahydro-2H-oxacyclotetradecino[2,3-d]isoindole-2,18(5H)-dione
Phomin
(3E,5R,9R,11E,12aS,13S,15S,15aS,16S,18aS)-16-benzyl-5,13-dihydroxy-9,15-dimethyl-14-methylidene-6,7,8,9,10,12a,13,14,15,15a,16,17-dodecahydro-2H-oxacyclotetradecino[2,3-d]isoindole-2,18(5H)-dione
Cytochalasin B
MFCD00077704
Description Cytochalasin B is a cell-permeable mycotoxin binding to the barbed end of actin filaments, disrupting the formation of actin polymers, with Kd value of 1.4-2.2 nM for F-actin.
Related Catalog
Target

Kd: 2.2 nM (F-actin, with Mg2+), 1.4 nM (F-actin, with Mg2+/K+)[1]

In Vitro Cytochalasin B is a cell-permeable mycotoxin binding to the barbed end of actin filaments, inhibits the enlongation and shortening of actin filaments, with Kds of 2.2 nM and 1.4 nM for F-actin in the presence of MgCl2 (2 mM) or MgCl2 (2 mM) plus KCl, respectively[1]. Cytochalasin B (0.1-10 μM) shows inhibitory effect on multiple murine cancer cell lines, with IC50s of 2.56 μM (M109c), 10.46 μM (B16BL6), 105.5 μM (P388/ADR), 51.9 μM (P388/S) and IC80s of 12.23 μM (M109c), 44.86 μM (B16BL6), 188.4 μM (P388/ADR), 84.1 μM (P388/S) after treatment for 3 h, with IC50s of 0.25 μM (M109c), 0.37 μM (B16F10), 0.87 μM (B16BL6), and IC80s of 0.75 μM (M109c), 1.21 μM (B16F10), 10.41 μM (B16BL6) after treatment for 4 days[2]. Cytochalasin B (6 μM) increases the myofibrillar fragmentation index (MFI), which is attributed to the intensely breaking of myofibrillar proteins into short segments. Cytochalasin B also accelerates the disruption of actin filaments. In addition, Cytochalasin B accelerates the transformation from F-actin to G-actin, lowering the content of F-actin and significantly increasing G-actin bands during postmortem conditioning[3].
In Vivo Cytochalasin B (10, 25, 50 mg/kg, i.p.) dose-dependently increases the life expectancy of Balb/c mice bearing with P388/ADR leukemias. Cytochalasin B at 50 mg/kg produces 10 % long-term survival in the multidrug resistant P388/ADR cohort, and 40 % long-term survival in the drug sensitive P388/S cohort[2].
Cell Assay The attached cell lines M109c, B16BL6, and B16F10 are seeded at 1 to 4 × 104 cells/mL in 2 mL volumes in 24-well culture plates 1 day prior to treatment with Cytochalasin B. The suspension culture of P388/ADR cells is seeded at 5 × 104 cells/mL and allowed to grow overnight before Cytochalasin B treatment. Cells are treated with Cytochalasin B for 3 h, as well as 2, 3, or 4 days. In the case of continuous exposure for 2, 3, or 4 days, attached cells are trypsinized and counted with a hemacytometer. Leukemia cell suspensions are counted with a Coulter Counter. In the case of short-term exposure, cells are washed twice with fresh medium, then trypsinized (except for P388/ADR cells), reseeded, and allowed to regrow for 3 days, at which time they are counted. Growth results are calculated as the number of cells generated above the seeding density compared to the untreated control cells and graphically presented as percent of control increase[2].
Animal Admin Mice[2] For chemotherapy testing, Balb/c mice under isoflurane anesthesia are challenged with 2 × 105 trypan blue negative P388/S or P388/ADR cells subcutaneously (s.c.) in a volume of 200 μL. Untreated mice are kept in order to determine the lethality of the challenge without chemotherapeutic intervention. Long-term survival is defined as challenged mice that survive the duration of the observation period. Cytochalasins B and D are prepared in suspension form in 2 % carboxymethyl cellulose 1 % tween 20 (CMC/Tw) for intraperitoneal (i.p.) administration. The congeners or the vehicle are administered to leukemia-challenged mice on Days 1-8 following the initial challenge[2].
References

[1]. Theodoropoulos PA, et al. Cytochalasin B may shorten actin filaments by a mechanism independent of barbed end capping. Biochem Pharmacol. 1994 May 18;47(10):1875-81.

[2]. Trendowski M, et al. Chemotherapy with cytochalasin congeners in vitro and in vivo against murine models. Invest New Drugs. 2015 Apr;33(2):290-9.

[3]. Zhou C, et al. The effect of Cytochalasin B and Jasplakinolide on depolymerization of actin filaments in goose muscles during postmortem conditioning. Food Res Int. 2016 Dec;90:1-7.

Density 1.2±0.1 g/cm3
Boiling Point 740.6±60.0 °C at 760 mmHg
Melting Point 218-223ºC
Molecular Formula C29H37NO5
Molecular Weight 479.608
Flash Point 401.7±32.9 °C
Exact Mass 479.267181
PSA 95.86000
LogP 3.71
Vapour Pressure 0.0±2.6 mmHg at 25°C
Index of Refraction 1.596
Storage condition −20°C
Water Solubility ethanol: 20 mg/mL
Name: Cytochalasin B 98% (TLC) Material Safety Data Sheet
Synonym: None Known
CAS: 14930-96-2
Section 1 - Chemical Product MSDS Name:Cytochalasin B 98% (TLC) Material Safety Data Sheet
Synonym:None Known

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
14930-96-2 Cytochalasin B 98% 239-000-2
Hazard Symbols: T+
Risk Phrases: 26/27/28 40

Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Very toxic by inhalation, in contact with skin and if swallowed.
Limited evidence of a carcinogenic effect.
Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May cause skin irritation.
Ingestion:
May cause irritation of the digestive tract. May cause cardiac disturbances. May cause central nervous system depression.
Inhalation:
May cause respiratory tract irritation. May cause cardiac abnormalities. Inhalation at high concentrations may cause CNS depression and asphixiation.
Chronic:
Effects may be delayed. Adverse reproductive effects have been reported in animals. Laboratory experiments have resulted in mutagenic effects.

Section 4 - FIRST AID MEASURES
Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin:
Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
Ingestion:
Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
Inhalation:
Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:

Section 5 - FIRE FIGHTING MEASURES
General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Containers may explode when heated. Non-combustible, substance itself does not burn but may decompose upon heating to produce irritating, corrosive and/or toxic fumes. Runoff from fire control or dilution water may cause pollution.
Extinguishing Media:
Use water spray to cool fire-exposed containers. For small fires, use dry chemical, carbon dioxide, or water spray. For large fires, use dry chemical, carbon dioxide, alcohol-resistant foam, or water spray.

Section 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, observing precautions in the Protective Equipment section. Avoid generating dusty conditions.
Provide ventilation.

Section 7 - HANDLING and STORAGE
Handling:
Wash thoroughly after handling. Use with adequate ventilation.
Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.
Storage:
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Poison room locked/refrigerator.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 14930-96-2: Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to minimize contact with skin.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES

Physical State: Powder
Color: white
Odor: None reported.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 221.00 - 223.00 deg C
Autoignition Temperature: Not applicable.
Flash Point: Not applicable.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: insoluble
Specific Gravity/Density:
Molecular Formula: C29H37NO5
Molecular Weight: 479.60

Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, dust generation, excess heat, strong oxidants.
Incompatibilities with Other Materials:
Oxidizing agents.
Hazardous Decomposition Products:
Nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.
Hazardous Polymerization: Has not been reported.

Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 14930-96-2: RO0205000 LD50/LC50:
Not available.
Carcinogenicity:
Cytochalasin B - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

Section 12 - ECOLOGICAL INFORMATION


Section 13 - DISPOSAL CONSIDERATIONS
Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION

IATA
Shipping Name: TOXIC SOLID, ORGANIC, N.O.S.*
Hazard Class: 6.1
UN Number: 2811
Packing Group: II
IMO
Shipping Name: TOXIC SOLID, ORGANIC, N.O.S.
Hazard Class: 6.1
UN Number: 2811
Packing Group: II
RID/ADR
Shipping Name: TOXIC SOLID, ORGANIC, N.O.S.
Hazard Class: 6.1
UN Number: 2811
Packing group: II

Section 15 - REGULATORY INFORMATION

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T+
Risk Phrases:
R 26/27/28 Very toxic by inhalation, in contact with
skin and if swallowed.
R 40 Limited evidence of a carcinogenic effect.
Safety Phrases:
S 1 Keep locked up.
S 28A After contact with skin, wash immediately with
plenty of water.
S 37 Wear suitable gloves.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
WGK (Water Danger/Protection)
CAS# 14930-96-2: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 14930-96-2 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 14930-96-2 is not listed on the TSCA inventory.
It is for research and development use only.


SECTION 16 - ADDITIONAL INFORMATION
N/A

CHEMICAL IDENTIFICATION

RTECS NUMBER :
RO0205000
CHEMICAL NAME :
2H-Oxacyclotetradec(2,3-d)isoindole-2,18(5H)-dione, 16-benzyl-6,7,8,9,10,12a,13,14,15,15a, 16,17-dodecahydro-5,13-dihydroxy-9,15-dimethyl-14-met hylene-, (E)-(5S,9R,12aS,13S,15S,15aS, 16aS,18aS)-
CAS REGISTRY NUMBER :
14930-96-2
LAST UPDATED :
199612
DATA ITEMS CITED :
18
MOLECULAR FORMULA :
C29-H37-N-O5
MOLECULAR WEIGHT :
479.67
WISWESSER LINE NOTATION :
T56-14- 1A U AXVM GY TVO JU RUTJ D1R& F1 GU1 HQ M1 QQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
11 mg/kg
TOXIC EFFECTS :
Behavioral - ataxia Behavioral - coma Lungs, Thorax, or Respiration - cyanosis
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
30 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
1500 ug/kg
SEX/DURATION :
female 8 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - Central Nervous System Reproductive - Specific Developmental Abnormalities - musculoskeletal system
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intraperitoneal
DOSE :
5 mg/kg
SEX/DURATION :
female 8 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetal death Reproductive - Specific Developmental Abnormalities - Central Nervous System

MUTATION DATA

TYPE OF TEST :
Cytogenetic analysis
TEST SYSTEM :
Mammal - species unspecified Bone marrow
DOSE/DURATION :
1 gm/L
REFERENCE :
TSITAQ Tsitologiya. Cytology. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1959- Volume(issue)/page/year: 24,814,1982
Symbol GHS06
GHS06
Signal Word Danger
Hazard Statements H302-H330
Precautionary Statements P260-P284-P310
Personal Protective Equipment Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes T+: Very toxic;
Risk Phrases R26/27/28;R63
Safety Phrases 28-36/37-45
RIDADR UN 1544 6
WGK Germany 3
RTECS RO0205000
Packaging Group I
Hazard Class 6.1(a)
HS Code 29349990