Home > All categories> Biochemicals and Pharmaceutical Chemicals> Pharmaceutical Intermediates> 4-methylumbelliferone

4-methylumbelliferone

Get Latest Price >

FOB Price contact us for price

Origin: China

Cas No: 90-33-5

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

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

Vendor:

Payment Terms:

Inquiry now

* Send an Inquiry to us

Add to wishlist

* Name your price
* Start order doesn't mean buying now

Products Specification
Product Description

Quick Details
CAS No.:
90-33-5
Other Names:
2H-1-Benzopyran, 7-hydroxy-4-methyl-2-oxo-
MF:
C10H8O3, C10H8O3
EINECS No.:
201-986-7
Place of Origin:
Shandong, China
Type:
Other
Grade Standard:
Medicine Grade
Usage:
Animal Pharmaceuticals
Brand Name:
zhishang
Model Number:
90-33-5
Purity:
99%min
Product Name:
4-Methylumbelliferone
CAS:
90-33-5
Grade:
Medical grade
Appearance:
White powder
Assay:
99.5%
Melting point:
188.5-190 °C(lit.)
storage temp:
2-8°C
brand:
zhishang
MW:
176.17
Packaging&Delivery
Packaging Details
25kg/drum, 200kg/drum or according to your demand.
chinese supplier 99% Medicine Grade Clenbuterol hydrochloride CAS 21898-19-1 with best price
Port
Shanghai port
Lead Time:
1-2 days after you payment, we have in stock

Property

CAS No.: 90-33-5 Formula: C10H8O3 Molecular Weight: 176.16900

Description

Hymecromone (4-methylumbelliferone) is a drug used in bile therapy. It is used as choleretic and antispasmodic drugs and as a standard for the fluorometric determination of enzyme activity.
Hymecromone is a crystalline solid with a melting point of 194–195°C. It is soluble in methanol and glacial acetic acid.

Basic Info

Chemical Name	4-methylumbelliferone
Synonyms	LM 94; 7-hydroxy-4-methyl-coumarin; BMU; CantabbY; Medilla; 7-hydroxy-4-methyl-chromen-2-one; 4-Methylumbelliferone; Crodimon; 4-methyl-7-hydroxy coumarin; Bilcolic; Himecol; 7-hydroxy-4-methyl-2H-chromen-2-one; Eurogale;
CAS No.	90-33-5
Molecular Formula	C10H8O3
Molecular Weight	176.16900
PSA	50.44000
LogP	1.80700

Properties

Appearance & Physical State	solid
Density	1.319 g/cm3
Boiling Point	377.4ºC at 760 mmHg
Melting Point	186-191ºC
Flash Point	174.5ºC
Water Solubility	slightly soluble
Stability	Stable. Combustible. Incompatible with strong oxidizing agents.
Storage Condition	-20ºC Freezer

Safety Info

RTECS	GN7000000
Safety Statements	S26-S37/39
WGK Germany	2
Risk Statements	R20/21/22; R36/37/38
Hazard Codes	Xn

Synthesis Route

Phenylacetylene+4-methyl-2-oxo-2H-chromen-7-yl trifluoromethanesulfonate→4-methylchromen-2-one+4-methylumbelliferone
(4-methyl-2-oxochromen-7-yl) 3-methylbutanoate→isovaleric acid+4-methylumbelliferone
4-Methylumbelliferyl-alpha-D-galactopyranoside hydrate→D-galactopyranose+4-methylumbelliferone

Toxicity

Exposure Route	Type of Test	Species Observed	Dose/Duration	Toxic Effects
Oral	LD50 - Lethal dose, 50 percent kill	Rodent - rat	3850 mg/kg	1.Sense Organs and Special Senses (Eye)-lacrimation 2.Sense Organs and Special Senses (Eye)-ptosis 3.Behavioral-altered sleep time (including change in righting reflex)
Intraperitoneal	LD50 - Lethal dose, 50 percent kill	Rodent - rat	2550 mg/kg	1.Sense Organs and Special Senses (Eye)-lacrimation 2.Sense Organs and Special Senses (Eye)-ptosis 3.Behavioral-altered sleep time (including change in righting reflex)
Subcutaneous	LD50 - Lethal dose, 50 percent kill	Rodent - rat	7200 mg/kg	1.Behavioral-somnolence (general depressed activity) 2.Skin and Appendages-hair

Precursor

Ethyl acetoacetate
resorcinol
4-methyl-2-oxo-2H-chromen-7-yl 1,1,2,2,3,3,4,4,4-nonafluorobutane-1-sulfonate
4-methyl-2-oxo-2H-chromen-7-yl trifluoromethanesulfonate

Downstream Product

4-methyl-[1]benzofuro[3,2-g]chromen-2-one
7-hydroxy-4-methyl-8-(piperidin-1-ylmethyl)chromen-2-one
2,6-Dimethoxybenzaldehyde
4-METHYLUMBELLIFERYL-N-ACETYL-β-D-GLUCOSAMINIDE

Hot tags: 4-methylumbelliferone, China, manufacturers, suppliers, factory, wholesale, low price, high quality