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Amino acids and derivatives

Cysteic acid, D-

Also known as D-Cysteic acid, D-Alanine, 3-sulfo-, (S)-2-Amino-3-sulfopropanoic acid

CAS 35554-98-4Formula C3H7NO5SMolar mass 169.16 g/mol
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Cysteic acid, D- chemical structure, C3H7NO5S, CAS 35554-98-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
35554-98-4
Formula
C3H7NO5S
Molar mass
169.16 g/mol
HS code
292249
Category
Amino acids and derivatives

What is Cysteic acid, D-?

Plain description, key identifiers and synonyms

Cysteic acid, D- is a chemical substance with the molecular formula C3H7NO5S and a molar mass of 169.16 g/mol. Its CAS registry number is 35554-98-4. The IUPAC name is (2S)-2-amino-3-sulfopropanoic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2S)-2-amino-3-sulfopropanoic acid
CAS number
35554-98-4 CAS number cross-checked
Molecular formula
C3H7NO5S
UNII
YWB11Z1XEI
MDL number
MFCD17976481
InChIKey
XVOYSCVBGLVSOL-UWTATZPHSA-N
InChI
InChI=1S/C3H7NO5S/c4-2(3(5)6)1-10(7,8)9/h2H,1,4H2,(H,5,6)(H,7,8,9)/t2-/m1/s1
Canonical SMILES
NC(CS(=O)(=O)O)C(=O)O
Isomeric SMILES
C([C@H](C(=O)O)N)S(=O)(=O)O

Synonyms

  • D-Cysteic acid
  • D-Alanine, 3-sulfo-
  • (S)-2-Amino-3-sulfopropanoic acid
  • (2S)-2-amino-3-sulfopropanoic acid
  • 3-sulfo-D-alanine
  • sulfo-L-alanine
  • d-cysteate
  • CysteinsA currencyure
  • D-Cysteine sulfinic acid
  • (S)-2-Amino-3-sulfopropanoicacid

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
169.16 g/molcalc.
Exact mass
169.0045 Dacalc.
LogP (octanol/water)
-1.71calc.
Topological polar surface area
117.7 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
3calc.
Heavy atoms
10calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.67calc.
Formal charge
0calc.
Stereocentres
1calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Cysteic acid, D- suppliers

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Cysteic acid, D- price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Cysteic acid, D- is traded under.

HS 2922.49Indicative HS code

Amino-acids, other than those containing more than one kind of oxygen function, and…

World exports in 2024
$3.88B
−11.5% vs 2023, imports $3.87B
2019 to 2024
Top exporters
  1. China38.7%
  2. India * partner reported8.3%
  3. Germany8.1%
Top importers
  1. United States13.4%
  2. Germany11.1%
  3. Japan6.6%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Cysteic acid, D- is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Cysteic acid, D-, based on the data on this page

What is Cysteic acid, D-?

Cysteic acid, D- is a chemical substance with the molecular formula C3H7NO5S and a molar mass of 169.16 g/mol. Its CAS registry number is 35554-98-4. The IUPAC name is (2S)-2-amino-3-sulfopropanoic acid.

What is the CAS number of Cysteic acid, D-?

The CAS registry number of Cysteic acid, D- is 35554-98-4.

What is the molecular formula and weight of Cysteic acid, D-?

The molecular formula of Cysteic acid, D- is C3H7NO5S and its molar mass is 169.16 g/mol.

Is Cysteic acid, D- hazardous?

No GHS hazard classification for Cysteic acid, D- is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Cysteic acid, D-?

Cysteic acid, D- is usually classified under HS code 292249 (Amino-acids, other than those containing more than one kind of oxygen function, and…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Cysteic acid, D-?

Post a free request on CompoundList and suppliers of Cysteic acid, D- will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Cysteic acid, D-?

Suppliers quote Cysteic acid, D- on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Cysteic acid, D-

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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