Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Z-L-aspartic acid-di-tert-butyl ester
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

42417-76-5

42417-76-5 structure

Name: Z-L-aspartic acid di-tert·butyl ester
Chemical Name: Z-L-aspartic acid di-tert·butyl ester
CAS Number: 42417-76-5
Molecular Formula: C₂₀H₂₉NO₆
Molecular Weight: 379.447
Create Date: 2018-09-10 11:52:18
Modify Date: 2025-09-11 17:21:44

Name	Z-L-aspartic acid di-tert·butyl ester
Synonyms	di-tert-butyl N-acetylcystinate di-tert-butyl N-Cbz-L-aspartate L-Aspartic acid, N-[(phenylmethoxy)carbonyl]-, bis(1,1-dimethylethyl) ester Bis(2-methyl-2-propanyl) N-[(benzyloxy)carbonyl]-L-aspartate

Density	1.1±0.1 g/cm3
Boiling Point	485.5±45.0 °C at 760 mmHg
Molecular Formula	C₂₀H₂₉NO₆
Molecular Weight	379.447
Flash Point	247.4±28.7 °C
Exact Mass	379.199493
PSA	90.93000
LogP	4.97
Vapour Pressure	0.0±1.2 mmHg at 25°C
Index of Refraction	1.501

HS Code	2924299090

540-88-5

1152-61-0

~60%

42417-76-5

Literature: Allen, David Robert; Kyung-Lee, Seung-Hee Patent: US2003/236430 A1, 2003 ; Location in patent: Page 3 ;

540-88-5

1152-61-0

~50%

47307-26-6

5545-52-8

Detail

Literature: Allen, David Robert; Kyung-Lee, Seung-Hee Patent: US2003/236430 A1, 2003 ; Location in patent: Page 3 ;

762-75-4

1152-61-0

~2%

47307-26-6

5545-52-8

Detail

Literature: Allen, David Robert; Kyung-Lee, Seung-Hee Patent: US2003/236430 A1, 2003 ; Location in patent: Page column 4 ;

5292-43-3

1152-61-0

~29%

47307-26-6

5545-52-8

Detail

Literature: Allen, David Robert; Kyung-Lee, Seung-Hee Patent: US2003/236430 A1, 2003 ; Location in patent: Page column 4 ;

1634-04-4

1152-61-0

~0%

47307-26-6

5545-52-8

Detail

Literature: Allen, David Robert; Kyung-Lee, Seung-Hee Patent: US2003/236430 A1, 2003 ; Location in patent: Page column 4 ;

585-07-9

1152-61-0

~55%

47307-26-6

5545-52-8

Detail

Literature: Allen, David Robert; Kyung-Lee, Seung-Hee Patent: US2003/236430 A1, 2003 ; Location in patent: Page column 4 ;

20487-40-5

1152-61-0

~47%

47307-26-6

5545-52-8

Detail

Literature: Allen, David Robert; Kyung-Lee, Seung-Hee Patent: US2003/236430 A1, 2003 ; Location in patent: Page column 4 ;

Precursor 7
540-88-5 1152-61-0 762-75-4 5292-43-3
1634-04-4 585-07-9 20487-40-5
DownStream 1
13795-73-8

HS Code	2924299090
Summary	2924299090. other cyclic amides (including cyclic 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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