Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2-((TERT-BUTOXYCARBONYL)AMINO)-4-METHOXY-4-OXOBUTANOIC ACID
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

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

856417-64-6

856417-64-6 structure

856417-64-6 structure

Name: 2-((TERT-BUTOXYCARBONYL)AMINO)-4-METHOXY-4-OXOBUTANOIC ACID
Chemical Name: 4-methoxy-2-[(2-methylpropan-2-yl)oxycarbonylamino]-4-oxobutanoic acid
CAS Number: 856417-64-6
Molecular Formula: C₁₀H₁₇NO₆
Molecular Weight: 247.245
Create Date: 2018-12-23 12:06:45
Modify Date: 2025-08-25 21:30:47

Name	4-methoxy-2-[(2-methylpropan-2-yl)oxycarbonylamino]-4-oxobutanoic acid
Synonyms	2-(tert-butoxycarbonylamino)-4-methoxy-4-oxobutanoic acid 4-Methoxy-2-({[(2-methyl-2-propanyl)oxy]carbonyl}amino)-4-oxobutanoic acid DL-2-tert-butoxycarbonylamino-succinic acid 4-methyl ester N-[(tert-butoxy)carbonyl]aspartic acid 4-methyl ester Aspartic acid, N-[(1,1-dimethylethoxy)carbonyl]-, 4-methyl ester

Density	1.2±0.1 g/cm3
Boiling Point	411.5±40.0 °C at 760 mmHg
Molecular Formula	C₁₀H₁₇NO₆
Molecular Weight	247.245
Flash Point	202.7±27.3 °C
Exact Mass	247.105591
PSA	105.42000
LogP	1.49
Vapour Pressure	0.0±2.1 mmHg at 25°C
Index of Refraction	1.470
Storage condition	2-8°C

HS Code	2924199090

1835-51-4 structure

1835-51-4

~74%

856417-64-6 structure

856417-64-6

Literature: Pharmacia Italia S.p.A. Patent: US2007/142415 A1, 2007 ; Location in patent: Page/Page column 18 ; US 20070142415 A1

Precursor 1
1835-51-4
DownStream 1
942297-60-1

HS Code	2924199090
Summary	2924199090. other acyclic amides (including acyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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