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USNIC ACID

USNIC ACID
USNIC ACID structure
CAS No.
125-46-2
Chemical Name:
USNIC ACID
Synonyms
usno;Usnic;USNEIN;USNIACIN;UNSICACID;Usnea acid;USNIC ACID;usninsaeure;2-USNICACID;USNINIC ACID
CBNumber:
CB6237422
Molecular Formula:
C18H16O7
Formula Weight:
344.32
MOL File:
125-46-2.mol

USNIC ACID Properties

Melting point:
200°C
alpha 
D16 +509.4° (c = 0.697 in chloroform)
Boiling point:
399.43°C (rough estimate)
Density 
1.2869 (rough estimate)
refractive index 
495 ° (C=0.7, CHCl3)
storage temp. 
Inert atmosphere,2-8°C
pka
4.00±0.40(Predicted)
Merck 
9893
CAS DataBase Reference
125-46-2(CAS DataBase Reference)
EWG's Food Scores
1
FDA UNII
0W584PFJ77
EPA Substance Registry System
Usnic acid (125-46-2)
SAFETY
  • Risk and Safety Statements
Hazard Codes  T,N
Risk Statements  25-50/53
Safety Statements  22-24/25-61-60-45
RTECS  HP5270000
Toxicity LD50 i.v. in mice: 25 mg/kg (Gottlieb, Shaw)

USNIC ACID price More Price(4)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Cayman Chemical 22585 Usnic Acid ≥98% 125-46-2 1g $27 2021-03-22 Buy
Cayman Chemical 22585 Usnic Acid ≥98% 125-46-2 5g $47 2021-03-22 Buy
Cayman Chemical 22585 Usnic Acid ≥98% 125-46-2 10g $81 2021-03-22 Buy
Cayman Chemical 22585 Usnic Acid ≥98% 125-46-2 25g $169 2021-03-22 Buy

USNIC ACID Chemical Properties,Uses,Production

Chemical Properties

Crystalline, yellow solid. Insoluble in water; slightly soluble in alcohol and ether.

Uses

antibacterial

Uses

Usnic acid is a major metabolite from a number of lichen and fungal species and is perhaps one of the longest known microbial metabolites, first isolated in 1844. Usnic acid exhibits a broad range of biological activity, indeed it is easier to list the bioassays in which it does not exhibit activity. More often than not, potency is low and of limited value. Usnic acid is an important metabolite for dereplication in discovery research programs.

Definition

ChEBI: A member of the class of dibenzofurans that is dibenzo[b,d]furan-1(9bH)-one substituted by acetyl groups at positions 2 and 6, hydroxy groups at positions 3 and 7 and methyl groups at positions 8 and 9b.

Contact allergens

Usnic acid is a component of lichens, also used as a topical antibiotic. Allergic contact dermatitis from lichens occurs mainly occupationally in forestry and horticultural workers, and in lichen pickers.

Purification Methods

This very weak acid is the natural form which is recrystallised from Me2CO, MeOH or *C6H6. At 25o it is soluble in H2O (<0.01%), Me2CO (0.77%), EtOAc (0.88%), MeOCH2CH2OH (0.22%) and furfural (7.32%). [Curd & Robertson J Chem Soc 894 1937, Barton & Brunn J Chem Soc 603 1953, resolution: Dean et al. J Chem Soc 1250 1953, synthesis: Barton et al. J Chem Soc 538 1956, Beilstein 18/5 V 586.]

USNIC ACID Preparation Products And Raw materials

Raw materials

Preparation Products


USNIC ACID Suppliers

Global( 224)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Nanjing Finetech Chemical Co., Ltd.
025-85710122 17714198479
025-85710122 sales@fine-chemtech.com CHINA 890 55
Shanghai Zheyan Biotech Co., Ltd.
18017610038
zheyansh@163.com CHINA 3623 58
career henan chemical co
+86-371-86658258
sales@coreychem.com CHINA 29954 58
Shaanxi Yikanglong Biotechnology Co., Ltd.
17791478691
yklbiotech@163.com CHINA 297 58
Chengdu Biopurify Phytochemicals Ltd.
18482058008 18080483897
maggie@biopurify.com CHINA 2712 58
Hebei Guanlang Biotechnology Co., Ltd.
+8619930503282
sales3@crovellbio.com China 5882 58
Xi'an Kono chem co., Ltd.,
13289246953 029-86107037
info@konochemical.com CHINA 3000 58
BOC Sciences
1-631-485-4226
1-631-614-7828 inquiry@bocsci.com United States 19752 58
Chongqing Chemdad Co., Ltd
+86-13650506873
sales@chemdad.com CHINA 37282 58
Shanghai Standard Technology Co., Ltd.
18502101150
+86-21-57127007-6606 ft-sales@nature-standard.com CHINA 1923 58

View Lastest Price from USNIC ACID manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2021-10-22 USNIC ACID
125-46-2
US $10.00 / KG 1KG 99% 5tons Hebei Guanlang Biotechnology Co., Ltd.
2021-07-13 USNIC ACID
125-46-2
US $15.00-10.00 / KG 1KG 99%+ HPLC Monthly supply of 1 ton Zhuozhou Wenxi import and Export Co., Ltd
2021-07-10 USNIC ACID
125-46-2
US $15.00-10.00 / KG 1KG 99%+ HPLC Monthly supply of 1 ton Zhuozhou Wenxi import and Export Co., Ltd

USNIC ACID Spectrum


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