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Impurities and reference standards

(S)-Pmpa

Also known as (S)-Tenofovir, (S)-(((1-(6-Amino-9H-purin-9-yl)propan-2-yl)oxy)methyl)phosphonic acid, [(2S)-1-(6-aminopurin-9-yl)propan-2-yl]oxymethylphosphonic acid

CAS 147127-19-3Formula C9H14N5O4PMolar mass 287.22 g/mol
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(S)-Pmpa chemical structure, C9H14N5O4P, CAS 147127-19-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
147127-19-3
Formula
C9H14N5O4P
Molar mass
287.22 g/mol
HS code
293359
Category
Impurities and reference standards

What is (S)-Pmpa?

Plain description, key identifiers and synonyms

(S)-Pmpa is a chemical substance with the molecular formula C9H14N5O4P and a molar mass of 287.22 g/mol. Its CAS registry number is 147127-19-3. The IUPAC name is [(2S)-1-(6-aminopurin-9-yl)propan-2-yl]oxymethylphosphonic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
[(2S)-1-(6-aminopurin-9-yl)propan-2-yl]oxymethylphosphonic acid
CAS number
147127-19-3
Molecular formula
C9H14N5O4P
UNII
EZ38ZJ8AAY
MDL number
MFCD21604708
InChIKey
SGOIRFVFHAKUTI-LURJTMIESA-N
InChI
InChI=1S/C9H14N5O4P/c1-6(18-5-19(15,16)17)2-14-4-13-7-8(10)11-3-12-9(7)14/h3-4,6H,2,5H2,1H3,(H2,10,11,12)(H2,15,16,17)/t6-/m0/s1
Canonical SMILES
CC(Cn1cnc2c(N)ncnc21)OCP(=O)(O)O
Isomeric SMILES
C[C@@H](CN1C=NC2=C(N=CN=C21)N)OCP(=O)(O)O

Synonyms

  • (S)-Tenofovir
  • (S)-(((1-(6-Amino-9H-purin-9-yl)propan-2-yl)oxy)methyl)phosphonic acid
  • [(2S)-1-(6-aminopurin-9-yl)propan-2-yl]oxymethylphosphonic acid
  • ({[(2S)-1-(6-amino-9H-purin-9-yl)propan-2-yl]oxy}methyl)phosphonic acid
  • (S)-9-(2-Phosphonylmethoxypropyl)adenine
  • (S)-TDF
  • Phosphonic acid, P-[[(1S)-2-(6-amino-9H-purin-9-yl)-1-methylethoxy]methyl]-
  • (S)-9-(2-Phosphonomethoxypropyl)adenine
  • [(1S)-2-(6-aminopurin-9-yl)-1-methyl-ethoxy]methylphosphonic acid
  • (S)-[[[1-(6-Amino-9H-purin-9-yl)-2-propyl]oxy]methyl]phosphonic Acid
  • Phosphonic acid, (((1S)-2-(6-amino-9H-purin-9-yl)-1-methylethoxy)methyl)-
  • Tenofovir Impurity 20
  • Phosphonic acid, [[(1S)-2-(6-amino-9H-purin-9-yl)-1-methylethoxy]methyl]-
  • Tenofovir, (S)-
  • Tenofovir Disoproxil Impurity 26
  • (S)-(((1-(6-Amino-9H-purin-9-yl)propan-2-yl)oxy)methyl)phosphonicacid
  • (s)-9-[2-(phosphonomethoxy)propyl]adenine
  • P-[[(1S)-2-(6-Amino-9H-purin-9-yl)-1-methylethoxy]methyl]phosphonic acid
  • Phosphonic acid, P-[[(1S)-2-(6-amino-9H-purin-9-yl)-1-methylethoxy]

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
287.22 g/molcalc.
Exact mass
287.0783 Dacalc.
LogP (octanol/water)
-0.05calc.
Topological polar surface area
136.4 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
5calc.
Heavy atoms
19calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.44calc.
Formal charge
0calc.
Stereocentres
1calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ncc2[nH]cnc2n1

c1ncc2[nH]cnc2n1

2 rings, 9 atoms, the Purine ring system.

2,038 other chemicals share this scaffold

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.

(S)-Pmpa suppliers

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(S)-Pmpa price

Indicative price range per kg from live supplier offers

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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 (S)-Pmpa is traded under.

HS 2933.59Indicative HS code

Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring, other

World exports in 2024
$18.4B
+10.5% vs 2023, imports $24.8B
2019 to 2024
Top exporters
  1. Ireland43.6%
  2. Switzerland * partner reported26.3%
  3. China7.9%
Top importers
  1. Slovenia30.3%
  2. United States30.1%
  3. Germany15.3%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about (S)-Pmpa, based on the data on this page

What is (S)-Pmpa?

(S)-Pmpa is a chemical substance with the molecular formula C9H14N5O4P and a molar mass of 287.22 g/mol. Its CAS registry number is 147127-19-3. The IUPAC name is [(2S)-1-(6-aminopurin-9-yl)propan-2-yl]oxymethylphosphonic acid.

What is the CAS number of (S)-Pmpa?

The CAS registry number of (S)-Pmpa is 147127-19-3.

What is the molecular formula and weight of (S)-Pmpa?

The molecular formula of (S)-Pmpa is C9H14N5O4P and its molar mass is 287.22 g/mol.

Is (S)-Pmpa hazardous?

No GHS hazard classification for (S)-Pmpa 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 (S)-Pmpa?

(S)-Pmpa is usually classified under HS code 293359 (Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy (S)-Pmpa?

Post a free request on CompoundList and suppliers of (S)-Pmpa will send you quotes. Your contact details stay private until you accept a quote.

What is the price of (S)-Pmpa?

Suppliers quote (S)-Pmpa 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 (S)-Pmpa

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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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