Shanghai Nianxing Industrial Co., Ltd
China
Product Name: D-Cystine
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: D-Cystine
Price: ￥318.0/25g ￥118.0/5g ￥158.0/10g
Purity: 96.0%
Stocking Period: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

DC Chemicals Limited
China
Product Name: D-Cystine
Price: $Inquiry/100mg $Inquiry/250mg $Inquiry/1g
Purity: 98.0%
Stocking Period: 3 Day
Contact: Tony Cao
Email: sales@dcchemicals.com

ShangHai DC Chemicals Co.,Ltd
China
Product Name: D-Cystine
Price: ￥Inquiry/1g
Purity: 98.9%
Stocking Period: 1 Day
Contact: Tony Lai
Email: order@dcchemicals.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: D-Cystine
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: D-Cystine, free base
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

349-46-2

349-46-2 structure

349-46-2 structure

Name: D-Cystine
Chemical Name: D-cystine
CAS Number: 349-46-2
Molecular Formula: C₆H₁₂N₂O₄S₂
Molecular Weight: 240.301
Catalog: Biochemical Common amino acids and protein drugs
Create Date: 2018-05-22 08:00:00
Modify Date: 2025-08-23 00:19:35
D-Cystine is the D-enantiomer of L-Cystine. D-Cystine inhibits L-aspartate-β-semialdehyde dehydrogenase (ASADH) from Escherichia coli[1].

Name	D-cystine
Synonyms	D,L-cystine meso-Cystine UNII:06681CV9GH (S)-Cystine Cystine, D- D(+)-CYSTINE MFCD00002610 D-Cystine D-CYSTINE CRYSTALLINE H-D-CYSTINE EINECS 206-486-2 H-D-(Cys)2-OH

Description	D-Cystine is the D-enantiomer of L-Cystine. D-Cystine inhibits L-aspartate-β-semialdehyde dehydrogenase (ASADH) from Escherichia coli[1].
Related Catalog	Research Areas >> Others Signaling Pathways >> Others >> Others
Target	IC50: L-aspartate-β-semialdehyde dehydrogenase (ASADH)[1]
References	[1]. Emilio Alvarez, et al. L-cystine inhibits aspartate-beta-semialdehyde dehydrogenase by covalently binding to the essential 135Cys of the enzyme. Biochim Biophys Acta. 2004 Jan 14;1696(1):23-9.

Density	1.6±0.1 g/cm3
Boiling Point	468.2±45.0 °C at 760 mmHg
Melting Point	260ºC
Molecular Formula	C₆H₁₂N₂O₄S₂
Molecular Weight	240.301
Flash Point	237.0±28.7 °C
Exact Mass	240.023849
PSA	177.24000
LogP	1.23
Vapour Pressure	0.0±2.5 mmHg at 25°C
Index of Refraction	1.653

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	Xn:Harmful;
Risk Phrases	R22;R36/37/38
Safety Phrases	S26-S37/39
RIDADR	NONH for all modes of transport
WGK Germany	3
HS Code	29309013

Precursor 0
DownStream 1
2591-17-5

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