Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2-(S)-METHYLPIPERAZINE-1,4-DICARBOXYLIC ACID 4-BENZYL ESTER 1-TER-BUTYL ESTER
Price: Check
Purity: 97.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

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

859517-91-2

859517-91-2 structure

859517-91-2 structure

Name: 2-(S)-METHYLPIPERAZINE-1,4-DICARBOXYLIC ACID 4-BENZYL ESTER 1-TER-BUTYL ESTER
Chemical Name: 4-O-benzyl 1-O-tert-butyl (2S)-2-methylpiperazine-1,4-dicarboxylate
CAS Number: 859517-91-2
Molecular Formula: C₁₈H₂₆N₂O₄
Molecular Weight: 334.41000
Create Date: 2018-12-24 01:52:48
Modify Date: 2025-08-26 00:46:04

Name	4-O-benzyl 1-O-tert-butyl (2S)-2-methylpiperazine-1,4-dicarboxylate
Synonyms	(S)-4-benzyl 1-tert-butyl 2-methylpiperazine-1,4-dicarboxylate (S)-1-Boc-4-Cbz-2-Methylpiperazine W8837

Molecular Formula	C₁₈H₂₆N₂O₄
Molecular Weight	334.41000
Exact Mass	334.18900
PSA	59.08000
LogP	3.14020

HS Code	2933599090

24424-99-5 structure

24424-99-5

501-53-1 structure

501-53-1

~60%

859517-91-2 structure

859517-91-2

Literature: MILLENNIUM PHARMACEUTICALS, INC. Patent: WO2005/66139 A2, 2005 ; Location in patent: Page/Page column 134 ; WO 2005/066139 A2

Precursor 2
24424-99-5 501-53-1
DownStream 1
169447-70-5

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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