Aloin B

Name: Aloin B
Brand: Vaqora Chemicals
SKU: VQ-032750

About Aloin B

Aloin B is an analytical reagent carrying the CAS registry number 28371-16-6. Formula C21H22O9, molecular weight 418.4 g/mol. It is also known as Isobarbaloin or Aloin B (Isobarbaloin).

Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span agrochemical formulations and laboratory analysis. It is used across academic and industrial research and agrochemical production.

Standard pack sizes are 100 mg, 250 mg, 1 g and 5 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. SDS and detailed specification sheets can be requested with your quotation. Larger quantities and custom packaging are available. Request a quote for pricing and lead time.

Typical applications

Agrochemical formulations
Laboratory analysis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Aloin B
Catalogue No.	VQ-032750
CAS Number	28371-16-6
IUPAC name	(10R)-1,8-dihydroxy-3-(hydroxymethyl)-10-[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]-10H-anthracen-9-one
Molecular formula	C₂₁H₂₂O₉
Molecular weight	418.4 g/mol
Exact mass	418.1264
InChIKey	AFHJQYHRLPMKHU-WEZNYRQKSA-N
SMILES	C1=CC2=C(C(=C1)O)C(=O)C3=C([C@@H]2[C@H]4[C@@H]([C@H]([C@@H]([C@H](O4)CO)O)O)O)C=C(C=C3O)CO
PubChem CID	14989

Physical properties
Physical form	Other
LogP (XLogP3)	-0.1
H-bond donors / acceptors	7 / 9
TPSA	168 Å²
Synonyms	Isobarbaloin, 10R-beta-D-glucopyranosyl-1,8-dihydroxy-3-(hydroxymethyl)-9(10H)-anthracenone, Aloin B (Isobarbaloin), 9(10H)-Anthracenone, 10-.beta.-D-glucopyranosyl-1,8-dihydroxy-3-(hydroxymethyl)-, (10S)-, 9(10H)-Anthracenone, 10-beta-D-glucopyranosyl-1,8-dihydroxy-3-(hydroxymethyl)-, (R)-, 1,8-Dihydroxy-10-(ss-D-glucopyranosyl)-3-(hydroxymethyl)-9(10H)-anthracenone, 10-ss-D-Glucopyranosyl-1,8-dihydroxy-3-(hydroxymethyl)-9(10H)-anthracenone

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P317, P330, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Aloin B?

The CAS Registry Number of Aloin B is 28371-16-6. It is also known as Isobarbaloin, 10R-beta-D-glucopyranosyl-1,8-dihydroxy-3-(hydroxymethyl)-9(10H)-anthracenone, Aloin B (Isobarbaloin).

What is the molecular formula and molecular weight of Aloin B?

Aloin B has the molecular formula C21H22O9 and a molecular weight of 418.4 g/mol. Its IUPAC name is (10R)-1,8-dihydroxy-3-(hydroxymethyl)-10-[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]-10H-anthracen-9-one.

Which grade and pack sizes of Aloin B can I order?

We supply Aloin B, in 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Aloin B?

Yes. Every lot of Aloin B is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Aloin B be shipped internationally?

Yes. Aloin B is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.