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Home > Products > Pharmaceuticals & Life Science > Pharmaceutical Intermediates > (S)-1-TERT-BUTYL 2-METHYL 4,4-DIFLUOROPYRROLIDINE-1,2-DICARBOXYLATE
(S)-1-TERT-BUTYL 2-METHYL 4,4-DIFLUOROPYRROLIDINE-1,2-DICARBOXYLATE structure, CAS 203866-17-5

(S)-1-TERT-BUTYL 2-METHYL 4,4-DIFLUOROPYRROLIDINE-1,2-DICARBOXYLATE

CAS Number203866-17-5

Synonyms1-tert-Butyl 2-methyl (2S)-4,4-difluoropyrrolidine-1,2-dicarboxylate; (S)-1-tert-Butyl 2-methyl 4,4-difluoropyrrolidine-1,2-dicarboxylate; N-BOC-4,4-DIFLUORO-L-PROLINE METHYL ESTER; 2-Methyl 1-(2-methyl-2-propanyl) (2S)-4,4-difluoro-1,2-pyrrolidinedicarboxylate; N-t-BOC-4,4-Difluoro-L-proline methyl ester; 4,4-Difluoro-2-methyl-1-{[(2-methyl-2-propanyl)oxy]carbonyl}-L-proline; MFCD03094918; 4,4'-difluoroproline methyl ester

Molecular FormulaC11H17F2NO4

Molecular Weight265.25

Purity97%

Density1.3±0.1 g/cm3

Boiling Point341.2±42.0 °C at 760 mmHg

Melting Point41-46 °C

Flash Point

Appearancepowder

EINECS0

MSDSChineseEnglish

Symbol

Signal Word

Cat. No.: 2A-1100870 Purity: 97%
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Quality Control of [ 203866-17-5 ] Purity: 97% SDS Specification MoL

COA NMR CNMR HPLC LC-MS
Chemical & Physical Properties
CAS Number203866-17-5
Catalog No.2A-1100870
Chinese NameN-Boc-4,4-二氟-L-脯氨酸甲酯
Synonyms1-tert-Butyl 2-methyl (2S)-4,4-difluoropyrrolidine-1,2-dicarboxylate; (S)-1-tert-Butyl 2-methyl 4,4-difluoropyrrolidine-1,2-dicarboxylate; N-BOC-4,4-DIFLUORO-L-PROLINE METHYL ESTER; 2-Methyl 1-(2-methyl-2-propanyl) (2S)-4,4-difluoro-1,2-pyrrolidinedicarboxylate; N-t-BOC-4,4-Difluoro-L-proline methyl ester; 4,4-Difluoro-2-methyl-1-{[(2-methyl-2-propanyl)oxy]carbonyl}-L-proline; MFCD03094918; 4,4'-difluoroproline methyl ester
Molecular FormulaC11H17F2NO4
Molecular Weight265.25
Purity97
Density1.3±0.1 g/cm3
Boiling Point341.2±42.0 °C at 760 mmHg
Melting Point41-46 °C
Appearancepowder
Storage ConditionStorage method: dry, cool, airtight place
EINECS0
HTC2933990090
UN(IATA)0
PubChem ID329762378
MDL NumberMFCD03094918
SMILESCOC(=O)[C@@H]1CC(F)(F)CN1C(=O)OC(C)(C)C
InChI1S/C11H17F2NO4/c1-10(2,3)18-9(16)14-6-11(12,13)5-7(14)8(15)17-4/h7H,5-6H2,1-4H3/t7-/m0/s1
InChI KeyRQDZKOOUQIDZOG-ZETCQYMHSA-N
NACRES CodeNA.22
UNSPSC12352209
MSDSmsds/100870_1_203866_17_5.pdf
Tax Rebate13.0%
SupervisionNone. MFN tariff: 6.5%. Ordinary tariff: 20.0%
Transport InfoProduct name: 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%
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