CompoundList
Sign in
Carbohydrates and sugars

Pentose

Also known as Pentopyranose, pentopyranoside, GlyTouCan:G04045FF

CAS 1132639-46-3Formula C5H10O5Molar mass 150.13 g/molEC 201-767-6
42 suppliers listed
Get quotes Compare 42 suppliers
Pentose chemical structure, C5H10O5, CAS 1132639-46-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
1132639-46-3
Formula
C5H10O5
Molar mass
150.13 g/mol
EC number
201-767-6
HS code
294000
Category
Carbohydrates and sugars

What is Pentose?

Plain description, key identifiers and synonyms

pentopyranose has been reported in Ascophyllum nodosum and Bulbophyllum echinolabium.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
oxane-2,3,4,5-tetrol
CAS number
1132639-46-3 CAS number cross-checkedOther or deprecated CAS: 119540-50-0, 168180-15-2, 169783-76-0, 178101-87-6, 213825-56-0, 288846-91-3, 478506-23-9, 478506-29-5
EC number
201-767-6
Molecular formula
C5H10O5
InChIKey
SRBFZHDQGSBBOR-UHFFFAOYSA-N
InChI
InChI=1S/C5H10O5/c6-2-1-10-5(9)4(8)3(2)7/h2-9H,1H2
SMILES (canonical and isomeric)
C1C(C(C(C(O1)O)O)O)O

Synonyms

  • Pentopyranose
  • pentopyranoside
  • GlyTouCan:G04045FF
  • oxane-2,3,4,5-tetrol
  • L-[5-13C]xylose
  • D-[4-2H]ribose
  • L-[1-13C]xylose
  • beta-D-Ribopyranose (9CI)
  • d-[2-2H]xylose
  • D-[2,5-13C2]ribose
  • d-[5-13C]ribose
  • D-[3-2H]ribose
  • d-[1,3-13C2]ribose
  • d-[1,5-13C2]ribose
  • alpha-L-Lyxopyranose (9CI)
  • alpha-D-Arabinopyranose (9CI)
  • d(-)-arabinose
  • L(+)-Pectinose
  • d-[ul-13C5]xylose
  • D-[1-2H]ribose
  • (3S,4S,5R)-Tetrahydro-2H-pyran-2,3,4,5-tetraol
  • l-[2-13C]xylose
  • Aloe sugar
  • Holzzucker, Losan, alpha-Xylose
  • alpha-d-Xylose
Show all 38 synonyms
  • d-ribose-3-d
  • alpha-D-Lyxose
  • alpha-D-Ribose
  • b-L-Arabinopyranose
  • D-Xylose-2-C-d
  • D-[1-2H]xylose
  • alpha-D-Lyxopyranose
  • alpha-D-Ribopyranose
  • D-[2-13C]xylose
  • Lyxopyranose, alpha-D-
  • D(+)-xylose
  • Arabinose-
  • D -Lyxopyranose

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
150.13 g/molcalc.
Exact mass
150.0528 Dacalc.
LogP (octanol/water)
-2.58calc.
Topological polar surface area
90.15 Ųcalc.
Hydrogen bond donors
4calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
0calc.
Heavy atoms
10calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
4calc.
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, C1CCOCC1

C1CCOCC1

1 ring, 6 atoms, the Tetrahydropyran ring system.

12,069 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.

Pentose suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 42 suppliers
30 of 30 offers
  • 3WAY Pharm Inc
    China, ShanghaiUnclaimed profile
    PentoseGrade, purity and minimum order on request
    Price on request
    View
  • A2B Chem LLC
    United States, San DiegoUnclaimed profile
    PentoseGrade, purity and minimum order on request
    Price on request
    View
  • Aa Blocks LLC
    United States, San DiegoUnclaimed profile
    PentoseGrade, purity and minimum order on request
    Price on request
    View
  • Alfa Chemistry
    United States, HolbrookUnclaimed profile
    PentoseGrade, purity and minimum order on request
    Price on request
    View
  • Amadis Chemical Co., Ltd.
    China, HangzhouUnclaimed profile
    PentoseGrade, purity and minimum order on request
    Price on request
    View
  • Angene Chemical
    China, NanjingUnclaimed profile
    PentoseGrade, purity and minimum order on request
    Price on request
    View
  • BioChemPartner
    China, ShangHaiUnclaimed profile
    PentoseGrade, purity and minimum order on request
    Price on request
    View
  • BioCrick
    China, ChengduUnclaimed profile
    PentoseGrade, purity and minimum order on request
    Price on request
    View
  • Biosynth
    United Kingdom, ComptonUnclaimed profile
    PentoseGrade, purity and minimum order on request
    Price on request
    View
  • BLD Pharm
    China, ShanghaiUnclaimed profile
    PentoseGrade, purity and minimum order on request
    Price on request
    View

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

42 suppliers in 9 countries

Send one request to many suppliers

Choose up to 10 suppliers or let us match your request. Compare quotes side by side, free.

Choose suppliersPost a request

Pentose 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.

Get latest price

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 Pentose is traded under.

HS 2940.00Indicative HS code

Sugar ethers, sugar acetals and sugar esters, and their salts, other than the products of heading 29.37…

World exports in 2024
$1.4B
−5.4% vs 2023, imports $1.42B
2019 to 2024
Top exporters
  1. Germany23.7%
  2. China20.6%
  3. United States11.5%
Top importers
  1. United States14.0%
  2. Japan7.4%
  3. Germany6.1%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about Pentose, based on the data on this page

What is Pentose?

pentopyranose has been reported in Ascophyllum nodosum and Bulbophyllum echinolabium.

What is the CAS number of Pentose?

The CAS registry number of Pentose is 1132639-46-3. Other or deprecated CAS numbers: 119540-50-0, 168180-15-2, 169783-76-0.

What is the molecular formula and weight of Pentose?

The molecular formula of Pentose is C5H10O5 and its molar mass is 150.13 g/mol.

Is Pentose hazardous?

No GHS hazard classification for Pentose 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 Pentose?

Pentose is usually classified under HS code 294000 (Sugars, chemically pure, other than sucrose, lactose, maltose, glucose and fructose…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Pentose?

CompoundList lists 42 suppliers of Pentose in China, United States, United Kingdom, Hong Kong and 5 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Pentose?

Suppliers quote Pentose 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 Pentose

Get quotes for Pentose

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Pentose
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Pentose with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/pentose-1132639-46-3" title="Pentose structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Carbohydrates and sugars or HS code 294000

42 suppliers
Free quotes, contact stays private
Get quotes