Shanghai Nianxing Industrial Co., Ltd
China
Product Name: o,o'-bis(trimethylsilyl)-5-fluorouracil
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: O,O'-bis(trimethylsilyl)-5-fluorouracil
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

17242-85-2

17242-85-2 structure

17242-85-2 structure

Name: o,o'-bis(trimethylsilyl)-5-fluorouracil
Chemical Name: (5-fluoro-2-trimethylsilyloxypyrimidin-4-yl)oxy-trimethylsilane
CAS Number: 17242-85-2
Molecular Formula: C₁₀H₁₉FN₂O₂Si₂
Molecular Weight: 274.43900
Catalog: Pharmaceutical intermediate Heterocyclic compound Pyrimidine compound Fluoropyrimidine
Create Date: 2018-11-29 19:22:35
Modify Date: 2025-08-25 14:10:59

Name	(5-fluoro-2-trimethylsilyloxypyrimidin-4-yl)oxy-trimethylsilane
Synonyms	5-fluoro-2,4-bis(trimethylsilyloxy)pyrimidine MFCD00042441 2,4-di-(trimethylsilyloxy)-5-fluoropyrimidine 2,4-Bis(trimethylsilyl)-5-fluorouracil Uracil,5-fluoro,TMS 5-Fluorouracil,TMS O,O'-bis(TMS)-5-fluorouracil PC1258 2,4-bis(trimethylsilyloxy)-5-fluoropyrimidine

Density	1,05 g/cm3
Boiling Point	114°C 14mm
Molecular Formula	C₁₀H₁₉FN₂O₂Si₂
Molecular Weight	274.43900
Flash Point	32°C
Exact Mass	274.09700
PSA	44.24000
LogP	3.04310
Vapour Pressure	0.0142mmHg at 25°C
Index of Refraction	1.459

Hazard Codes	F: Flammable;
Risk Phrases	R10;R20/21/22
Safety Phrases	S36/37
RIDADR	1992
Packaging Group	III
Hazard Class	3
HS Code	2933599090

Precursor 9
75-77-4 51-21-8 999-97-3 107-46-0
27607-77-8 1450-14-2 10416-59-8 25561-30-2
73846-26-1
DownStream 10
17902-23-7 51-21-8 2857-97-8 77474-49-8
25509-04-0 133625-56-6 114194-87-5 114194-88-6
111971-32-5 72975-34-9

HS Code	2933599090
Summary	2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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