L-(+)-Ergothioneine, ACS – CAS 497-30-3

Price f.o.b. for gr.0.010
 2200.00

CAS Number: 497-30-3 Category:

Additional information

Weight 0.010 g
product name

L-(+)-Ergothioneine, ACS

synonyms

2-mercaptohistidine trimethyl betaine, Ergothioneine,
Sympectothion,
Thiasine,
Thiolhistidine-betaine,
Thioneine,
(S)-α-Carboxy-N,N,N-trimethyl-2-mercapto-1H-imidazole-4-ethanaminium inner salt

product origin

100% made in European Union (according to USP, EUP, ECHA-REACH)

purity grade

>99.99% (raw virgin matter, ultra-pure, concentrated, sterilized)

use

lab. / tech. / bio-research / proteins / compound

product code

ES1257A

C.A.S. number

497-30-3

MDL

MFCD00167474

EINECS

207-843-5

ID PubChem substance

24894650

SMILES string

C[N+](C)(C)[C@@H](Cc1c[nH]c(S)n1)C([O-])=O

InChl

=1S/C9H15N3O2S/c1-12(2,3)7(8(13)14)4-6-5-10-9(15)11-6/h5,7H,4H2,1-3H3,(H2-,10,11,13,14,15)/t7-/m0/s1

InChl key

SSISHJJTAXXQAX-KPOCXSGKNA-N

empirical formula

C9H15N3O2S

formula weight

229.30

melting point

255 °C to 259 °C

density

1.2541 (estimate)

refractive index

1.6740 (estimate)

pH

+47^o (c=1 in water)

water solubility

50 mg/mL

stability

stable for 1 year from date of purchase as supplied; solutions in water may be stored at -20°C for no more then 1 day

sensitivity & storage

<-20 °C (Keep container tightly closed in a dry and well-ventilated place)

assay

>99.99% to <102.00%

appearance (color)

white

form

powder

description

L-(+)-Ergothioneine (ET) is a sulfur-containing amino acid, which is only produced by Actinomycetales bacteria and non-yeast like fungi belonging to the division Basidiomycota and Ascomycota. It was originally isolated from Claviceps purpurea or rye ergot; it is obtained from L-histidine, which is converted into betaine form called hercynine; it is found in both animals and plants, and mammals usually obtain it from their diet, e.g. through mushrooms or oats; It is tautomeric in nature, and in neutral aqueous solution exists in thione form

note (1)

natural amino acid found in the fungus claviceps purpurea

note (2)

this product is for research use only, is not to be used for therapeutic ; not intended for animal or human or diagnostic or therapeutic use , and cannot be sold to patients.

note (3)

described price of the product is NOT NEGOTIABLE , already around 25% lower than the official price of the International Chemical Stock Exchange / ICIS .

* Possible additional discount for large quantity orders .

packaging / transport

special for chemical transport (according to IATA / ADR / ECHA-REACH rules / int.l laws) .

certifications

C.O.A., MSDS, GMP, API, USP, EUP, ECHA-REACH, ORIGIN, etc… (originals will be delivered with good , and copies after confirmed order)

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