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China
Product Name: 5-(Methoxymethylene)-2,2-dimethyl-1,3-dioxane-4,6-dione
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Purity: 98.0%
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15568-85-1

15568-85-1 structure

15568-85-1 structure

Name: 5-(Methoxymethylene)-2,2-dimethyl-1,3-dioxane-4,6-dione
Chemical Name: 5-(Methoxymethylene)-2,2-dimethyl-1,3-dioxane-4,6-dione
CAS Number: 15568-85-1
Molecular Formula: C₈H₁₀O₅
Molecular Weight: 186.162
Create Date: 2018-12-25 11:16:56
Modify Date: 2026-07-01 10:13:15

Name	5-(Methoxymethylene)-2,2-dimethyl-1,3-dioxane-4,6-dione
Synonyms	5-(METHOXYMETHYLENE)-2,2-DIMETHYL-1,3-DIOXANE-4,6-DIONE 5-(MethoxyMethylidene)-2,2-diMethyl-1,3-dioxane-4,6-dione 5-(Methoxymethylene) 5-(Methoxymethylene)-2,2-Dimethyl-1 Cabozantinib impurity 56 5-(Methoxymethylene) Meldrum’s Acid 5-(methoxymethylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione Methoxymethylenecyclicisopropylidenemalonate 5-(Methoxymethylene)-2,2-dimethyl-1,3 1,3-Dioxane-4,6-dione,5-(methoxymethylene)-2,2-dimethyl 5-(Methoxymethylene)-2,2-dimethyl-1,3-dioxane-4,6-di lene)-2,2-dimethyl-1,3-dioxane-4,6-dione Lenvatinib Impurity 79

Density	1.3±0.1 g/cm3
Boiling Point	390.0±42.0 °C at 760 mmHg
Melting Point	132-134ºC
Molecular Formula	C₈H₁₀O₅
Molecular Weight	186.162
Flash Point	178.7±27.9 °C
Exact Mass	186.052826
PSA	61.83000
LogP	-1.33
Vapour Pressure	0.0±0.9 mmHg at 25°C
Index of Refraction	1.523

HS Code	2934999090

2033-24-1 structure

2033-24-1

149-73-5 structure

149-73-5

~85%

15568-85-1 structure

15568-85-1

Literature: Jourdain; Pommelet Synthetic Communications, 1997 , vol. 27, # 3 p. 483 - 492

2033-24-1 structure

2033-24-1

122-51-0 structure

122-51-0

~54%

15568-85-1 structure

15568-85-1

Literature: Morgentin, Remy; Pasquet, Georges; Boutron, Pascal; Jung, Frederic; Lamorlette, Maryannick; Maudet, Mickael; Ple, Patrick Tetrahedron, 2008 , vol. 64, # 12 p. 2772 - 2782

Precursor 3
2033-24-1 149-73-5 122-51-0
DownStream 10
111286-54-5 123400-74-8 42835-25-6 487-06-9
219763-81-2 187278-01-9 213699-52-6 25165-70-2
855763-18-7 855763-30-3

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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