Cantharidin CAS NO.56-25-7

product information

cantharidin basic information

product name:	cantharidin
synonyms:	(1r,2s,3r,6s)-1,2-dimethyl-3,6-epoxycyclohexane-1,2-dicarboxylic anhydride;4,7-epoxyisobenzofuran-1,3-dione,hexahydro-3a,7a-dimethyl-, (3a,4,7,7a)-;(3a-alpha,4b,7b,7a-alpha)-hexahydro-3a,7a-dimethyl-4,7-epoxyisobenzofuran-1,3-dione;(3aa,4b,7b,7aa)-hexahydro-3a,7a-dimethyl-4,7-epoxyisobenzofuran-1,3-dione;cantharidin;dimethyl-3,6-epoxyperhydrophthalic anhydride;hexahydro-3a,7a-dimethyl-4,7-epoxyisobenzo-furan-1,3-dione;,7-beta,7a-alpha)
cas:	56-25-7
mf:	c10h12o4
mw:	196.2
einecs:	200-263-3
product categories:	chiral;chemical reagent;pharmaceutical intermediate;phytochemical;reference standards from chinese medicinal herbs (tcm).;standardized herbal extract;inhibitors
mol file:	56-25-7.mol

cantharidin chemical properties

mp	215-217 °c(lit.)
storage temp.	store at rt
merck	13,1757
cas database reference	56-25-7(cas database reference)
nist chemistry reference	cantharidin(56-25-7)
epa substance registry system	4,7-epoxyisobenzofuran- 1,3-dione, hexahydro-3a,7a-dimethyl-, (3ar,4s,7r,7as)-rel-(56-25-7)

safety information

hazard codes	t+,t
risk statements	28-36/37/38-38-37-36-23/24/25
safety statements	53-45-36/37/39
ridadr	un 2811 6.1/pg 1
wgk germany	3
rtecs	rn8575000
hazardclass	6.1(a)
packinggroup	i
hazardous substances data	56-25-7(hazardous substances data)

msds information

provider	language
dimethyl-3,6-epoxyperhydrophthalic anhydride	english
sigmaaldrich	english

cantharidin usage and synthesis

chemical properties	white to light yellow crystal powde
usage	irritant
general description	brown to black powder or plates or scales. formerly used as a counterirritant and vesicant. used for the removal of warts. used as an experimental anti tumor agent. active ingredient in spanish fly, a reputed aphrodisiac.
reactivity profile	organic anhydrides, such as cantharidin, are incompatible with acids, strong oxidizing agents, alcohols, amines, and bases.
health hazard	cantharidin is classified as super toxic. probable oral lethal dose in humans is less than 5 mg/kg or a taste of less than 7 drops for a 70 kg (150 lb.) person. it is very toxic by absorption through skin.
fire hazard	when heated to decomposition cantharidin emits acrid smoke and irritating fumes.
biological activity	natural toxin inhibitor of protein phosphatases 1 and 2a (k i values are 1.1 and 0.19 μ m respectively); similar to okadaic acid (9,10-deepithio-9,10-didehydroacanthifolicin ). displays > 500-fold selectivity over pp2b.

company information

henan sunlake enterprise corporation is located in henan province , the central plain of china , which enjoys favorable geogeaphical position and convenient transportion, the com[any was established in june. 1998 , until now having more than 18 years experience in manufacturing & exporting chemical raw material .

sunlake is a professional manufacturer engaged in producing and selling chemicals,including organic & inorganic chemicals , pigments & dyestuffs , water treatment chemicals , food & feed additives and others . these products have been being well exported to europe , southeast asia , the middle east , africa , south america and some other countries and areas.

we sincerely welcome foreign friends to visit our plant for cooperation. with the idea of "quality first,credit priority, excellent service", we are highly acknowledged by customers for good quality and competitive price. more importantly , the company has a strong r & d team, who are professional engineers and scholars with ph. d. .so we are confident to serve you better with our high - quality products and professional team.

we are taking great efforts to provide our customers with demanded goods and professional services, and continuously improve our core ability of competition and get the momentum for sustainable development, and finally make us being a reliable and professional wupplier in international market.

we welcome any serious inquiries from all customers of the world, and sincerely hope to cooperate.