Home > Carbonyl Compounds> (R)-5,8-Dihydroxy-2-(1-hydroxy-4-methylpent-3-en-1-yl)naphthalene-1,4-dione

(R)-5,8-Dihydroxy-2-(1-hydroxy-4-methylpent-3-en-1-yl)naphthalene-1,4-dione

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Origin: China

Cas No: 517-89-5

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

Quick Details
Type:
Herbal Extract
Form:
Powder
Variety:
Gromwell Root Extract
Part:
Root
Extraction Type:
Solvent Extraction
Packaging:
DRUM, Plastic Container, Vacuum Packed
Place of Origin:
Shaanxi, China
Grade:
Pharmaceutical Grade & Food Grade
Brand Name:
TZ
Model Number:
TZH012
Product Name:
Gromwell Root Extract
Latin Name:
Lithospermum erythrorhizon
Appearance:
Dark Purple Crystalline Fine Powder
Active Ingredient:
Shikonin
Test Method:
HPLC
Specification:
30% & 98%
Application:
Medicine and health care supplement
CAS No.:
517-89-5
Shelf Life:
2 Years
Stock:
In stock
Packaging&Delivery
Packaging Details
Top Quality Pure Natural Gromwell Root Extract Shikonin 30% 98% Alkannin CAS 517-89-5
1kg: Packed with aluminum foil bag.
20&25kgs: Packed with paper drum with double plastic bags inside.
Port
Tianjin, Shanghai, Dalian, Shenzhen, Qingdao, Guangzhou
Lead Time:
Quantity(Kilograms) 1 - 100 101 - 500 >500
Est. Time(days) 3 5 To be negotiated

Property

CAS No.: 517-89-5 Formula: C16H16O5 Molecular Weight: 288.29500

Description

Shikonin is a natural cardioprotective, antioxidative and anti-inflammatory agent.

Basic Info

Chemical Name	(R)-5,8-Dihydroxy-2-(1-hydroxy-4-methylpent-3-en-1-yl)naphthalene-1,4-dione
Synonyms	1,4-Naphthalenedione, 5,8-dihydroxy-2-(1-hydroxy-4-methyl-3-pentenyl)-, (R)-; 5,8-Dihydroxy-2-[(1R)-1-hydroxy-4-methyl-pent-3-enyl]naphthalene-1,4-dione;
CAS No.	517-89-5
Molecular Formula	C16H16O5
Molecular Weight	288.29500
PSA	94.83000
LogP	2.12040

Properties

Density	1.373g/cm3
Boiling Point	567.4ºC at 760mmHg
Melting Point	147ºC
Flash Point	311ºC
Refractive Index	1.642

Safety Info

Safety Statements	S26; S36/37/39
HS Code	2914690090
Risk Statements	R20/21/22

Synthesis Route

(R)-4-methyl-1-(1,4,5,8-tetra-methoxynaphthalen-2-yl)pent-3-en-1-ol→(R)-5,8-Dihydroxy-2-(1-hydroxy-4-methylpent-3-en-1-yl)naphthalene-1,4-dione
(R)-4-methyl-1-(naphtho[1,8-de:4,5-d'e']bis([1,3]dioxine)-4-yl)pent-3-en-1-ol→(R)-5,8-Dihydroxy-2-(1-hydroxy-4-methylpent-3-en-1-yl)naphthalene-1,4-dione
2-bromo-1,8:4,5-bis(methylenedioxy)naphthalene→(R)-5,8-Dihydroxy-2-(1-hydroxy-4-methylpent-3-en-1-yl)naphthalene-1,4-dione

Precursor

(R)-4-methyl-1-(1,4,5,8-tetra-methoxynaphthalen-2-yl)pent-3-en-1-ol
2-(4-methyl-3-pentene-1-one)-1,8:4,5-bis(methylenedioxy)naphthalene
Naphtho[1,8-de:4,5-d'e']bis[1,3]dioxin
(R)-4-methyl-1-(naphtho[1,8-de:4,5-d'e']bis([1,3]dioxine)-4-yl)pent-3-en-1-ol

Downstream Product

ACETYLSHIKONIN
5,8-dihydroxy-2-(4-methylpentyl)naphthalene-1,4-dione

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