CAS No.921-01-7,D-Cysteine Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	921-01-7
Name:	D-Cysteine
Article Data:	198
Cas Database

Formula:	C₃H₇NO₂S
Molecular Weight:	121.16
Synonyms:	Cysteine,D- (8CI);(S)-Cysteine;(S)-2-Amino-3-mercaptopropionic acid;
EINECS:	213-062-0
Density:	1.335 g/cm³
Melting Point:	~230 °C
Boiling Point:	293.9 °C at 760 mmHg
Flash Point:	131.5 °C
Solubility:	Soluble in water (partly).
Appearance:	white crystals or crystalline powder
Hazard Symbols:	Xn; Xi
Risk Codes:	36/37/38-20/21/22
Safety:	26-36/37/39
PSA:	102.12000
LogP:	0.02840

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L-thiaproline

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D-cysteine

Conditions

Conditions	Yield
With hydroxylamine hydrochloride	83%
With hydroxylamine hydrochloride In methanol reflux, 120 min, ice bath, 60 min;	82%

: 17087-37-5, 17087-38-6, 17205-71-9, 57918-01-1, 85504-88-7, 85504-89-8, 88271-26-5, 88271-27-6, 88271-28-7, 88271-29-8, 88271-30-1, 110270-21-8, 110270-23-0, 110311-43-8, 124650-44-8, 124650-45-9, 124650-46-0, 124650-49-3, 124650-50-6, 124650-51-7, 132338-92-2, 149885-33-6
(4S-)-2-(D-gluco-1,2,3,4,5-Pentahydroxypentyl)-4-thiazolidincarbonsaeure

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D-cysteine

Conditions

Conditions	Yield
With hydroxylamine hydrochloride In methanol; water for 4h; Heating;	79%

: 17087-37-5, 17087-38-6, 17205-71-9, 57918-01-1, 85504-88-7, 85504-89-8, 88271-26-5, 88271-27-6, 88271-28-7, 88271-29-8, 88271-30-1, 110270-21-8, 110270-23-0, 110311-43-8, 124650-44-8, 124650-45-9, 124650-46-0, 124650-49-3, 124650-50-6, 124650-51-7, 132338-92-2, 149885-33-6
(4S)-2-(D-manno-1,2,3,4,5-Pentahydroxypentyl)-4-thiazolidincarbonsaeure

: 921-01-7
D-cysteine

Conditions

Conditions	Yield
With hydrazine hydrate In methanol for 0.75h; Heating;	75%

: 88271-26-5
(2S,4S)-2-(D-galacto-1,2,3,4,5-Pentahydroxypentyl)-4-thiazolidincarbonsaeure

: 921-01-7
D-cysteine

Conditions

Conditions	Yield
With hydroxylamine hydrochloride In methanol for 2h; Heating;	73%

: 17087-36-4, 59246-17-2, 88271-31-2, 110270-13-8, 110270-14-9, 110270-15-0, 110270-16-1, 110270-17-2, 110270-18-3, 110270-19-4, 110270-20-7, 115184-30-0, 124650-47-1, 124650-48-2
(4S)-2-(L-arabino-1,2,3,4-Tetrahydroxybutyl)-4-thiazolidincarbonsaeure

: 921-01-7
D-cysteine

Conditions

Conditions	Yield
With hydroxylamine hydrochloride In methanol; water for 3.5h; Heating;	60%

: 921-01-7, 3374-22-9, 4371-52-2, 40143-64-4, 40143-66-6, 40143-69-9, 52-90-4
rac-cysteine

: 921-01-7
D-cysteine

Conditions

Conditions	Yield
beim selektiven Abbau durch Escherichia coli;

: 349-46-2
S,S-cystine

: 921-01-7
D-cysteine

Conditions

Conditions	Yield
With hydrogenchloride; tin

: 3054-01-1, 5680-65-9, 16597-46-9, 23032-53-3
(D)-2-Amino-3-(benzylthio)propanoic acid

: 921-01-7
D-cysteine

Conditions

Conditions	Yield
With ammonia; sodium

: 2998-83-6
(2R,2'R)-2-amino-4-(2'-amino-2'-carboxyethylsulfanyl)butanoic acid

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Conditions

Conditions	Yield
Spaltung durch Leber-Extrakt;

: 52-90-4
L-Cysteine

: 921-01-7
D-cysteine

Conditions

Conditions	Yield
With water; acetone Product distribution; 1.) acetic acid, reflux, 2.5 h; 2.) methanol, room temp, 30 min;

Raw Materials

498-59-9

51209-75-7

52-90-4

7664-93-9

7218-04-4

922-56-5

143-33-9

95-20-5

Downstream Products

52-90-4

444-27-9

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Specification

The CAS registry number of D-Cysteine is 921-01-7. Its EINECS registry number is 213-062-0. In addition, the molecular formula is C₃H₇NO₂S and the molecular weight is 121.16. The IUPAC name is (2S)-2-amino-3-sulfanylpropanoic acid. What's more, it is a kind of white crystalline powder and should be stored in a cool and dry place.

Physical properties about D-Cysteine are: (1)ACD/LogP: 0.09; (2)ACD/BCF (pH 5.5): 1; (3)ACD/BCF (pH 7.4): 1; (4)ACD/KOC (pH 5.5): 1; (5)ACD/KOC (pH 7.4): 1; (6)#H bond acceptors: 3; (7)#H bond donors: 3; (8)#Freely Rotating Bonds: 4; (9)Polar Surface Area: 102.12 Å²; (10)Index of Refraction: 1.55; (11)Molar Refractivity: 28.902 cm³; (12)Molar Volume: 90.783 cm³; (13)Polarizability: 11.458 ×10^-24cm³; (14)Surface Tension: 58.975 dyne/cm; (15)Density: 1.335 g/cm³; (16)Flash Point: 131.536 °C; (17)Enthalpy of Vaporization: 58.69 kJ/mol; (18)Boiling Point: 293.883 °C at 760 mmHg.

When you are using this chemical, please be cautious about it as the following:
This chemical is harmful by inhalation, in contact with skin and if swallowed. It is irritating to eyes, respiratory system and skin. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. Whenever you will contact it, please wear suitable protective clothing, gloves and eye/face protection.

You can still convert the following datas into molecular structure:
(1)SMILES: C([C@H](C(=O)O)N)S
(2)Std.InChI: InChI=1S/C3H7NO2S/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6)/t2-/m1/s1
(3)Std.InChIKey: XUJNEKJLAYXESH-UWTATZPHSA-N