Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: (S)-1-(TERT-BUTOXYCARBONYL)-4,4-DIFLUOROPYRROLIDINE-2-CARBOXYLIC ACID
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

203866-15-3

203866-15-3 structure

Name: N-t-BOC-4,4-Difluoro-L-Proline
Chemical Name: (2S)-4,4-difluoro-1-[(2-methylpropan-2-yl)oxycarbonyl]pyrrolidine-2-carboxylic acid
CAS Number: 203866-15-3
Molecular Formula: C₁₀H₁₅F₂NO₄
Molecular Weight: 251.227
Catalog: Biochemical Amino acids and their derivatives Proline derivatives
Create Date: 2018-12-23 11:49:56
Modify Date: 2025-08-20 10:54:38

Name	(2S)-4,4-difluoro-1-[(2-methylpropan-2-yl)oxycarbonyl]pyrrolidine-2-carboxylic acid
Synonyms	4,4-Difluoro-1-{[(2-methyl-2-propanyl)oxy]carbonyl}-L-proline 1-(tert-Butoxycarbonyl)-4,4-difluoro-L-proline N-(tert-Butoxycarbonyl)-4,4-difluoro-L-proline BOC-L-4,4-DIFLUOROPROLINE MFCD03094917 (2s)-1-(tert-butoxycarbonyl)-4,4-difluoropyrrolidine-2-carboxylic acid (S)-1-(tert-Butoxycarbonyl)-4,4-difluoro-2-pyrrolidinecarboxylic Acid (S)-1-(tert-Butoxycarbonyl)-4,4-difluoropyrrolidine-2-carboxylic acid N-t-BOC-4,4-Difluoro-L-Proline N-Boc-4,4-difluoro-L-proline 1,2-Pyrrolidinedicarboxylic acid, 4,4-difluoro-, 1-(1,1-dimethylethyl) ester, (2S)- (S)-1-Boc-4,4-difluoro-2-pyrrolidinecarboxylic Acid 1-(tert-butoxycarbonyl)-4,4-difluoropyrrolidine-(2S)-carboxylic acid N-Boc-(2S)-4,4-difluoroproline

Density	1.3±0.1 g/cm3
Boiling Point	340.4±42.0 °C at 760 mmHg
Melting Point	120-124ºC
Molecular Formula	C₁₀H₁₅F₂NO₄
Molecular Weight	251.227
Flash Point	159.7±27.9 °C
Exact Mass	251.096909
PSA	66.84000
LogP	0.66
Vapour Pressure	0.0±1.6 mmHg at 25°C
Index of Refraction	1.475
Storage condition	Store at 0-5°C

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi
Risk Phrases	R36/37/38
Safety Phrases	S26-S36-S37
RIDADR	NONH for all modes of transport
HS Code	2933990090

203866-17-5

~97%

203866-15-3

Literature: ALMIRALL, S.A.; BERNAL ANCHUELA, Francisco Javier; CARRASCAL RIERA, Marta; CATURLA JAVALOYES, Juan Francisco; GRACIA FERRER, Jordi; MATASSA, Victor Giulio; TERRICABRAS BELART, Emma; TALTAVULL MOLL, Joan; ERRA SOLA, Montserrat Patent: WO2012/146666 A1, 2012 ; Location in patent: Page/Page column 138-139 ; WO 2012/146666 A1

102195-80-2

203866-15-3

Literature: Bioorganic and Medicinal Chemistry, , vol. 14, # 8 p. 2725 - 2746

74844-91-0

203866-15-3

Literature: Bioorganic and Medicinal Chemistry, , vol. 14, # 8 p. 2725 - 2746

24424-99-5

203866-15-3

Literature: Tetrahedron Letters, , vol. 39, # 10 p. 1169 - 1172

40216-83-9

203866-15-3

Literature: Tetrahedron Letters, , vol. 39, # 10 p. 1169 - 1172

Precursor 5
203866-17-5 102195-80-2 74844-91-0 24424-99-5
40216-83-9
DownStream 3
215918-21-1 426844-50-0 52683-81-5

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.

203866-15-3	203866-17-5
426844-50-0	84348-38-9
3392-10-7	166410-05-5
84348-37-8	72180-27-9
367966-41-4	1427175-11-8
920113-43-5	59254-24-9
941540-11-0	941507-04-6
920631-57-8	913957-76-3
162912-64-3	124099-05-4
890628-11-2	152013-27-9