All-trans-Retinal

Name: All-trans-Retinal
Brand: Vaqora Chemicals
SKU: VQ-035280

About All-trans-Retinal

All-trans-Retinal is an impurity of Retinol carrying the CAS registry number 116-31-4. Formula C20H28O, molecular weight 284.4 g/mol. Its systematic (IUPAC) name is (2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohexen-1-yl)nona-2,4,6,8-tetraenal. Alternative names: Retinal and trans-Retinal.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. It carries the GHS signal word “Danger” with 4 hazard statements. Review the Safety Data Sheet before use.

Pharmaceutical QC and development laboratories use this impurity standard of Retinol to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Retinol

View every impurity, metabolite and intermediate we list for Retinol.

Retinol impurities

Specifications & identifiers

Chemical identifiers
Product name	All-trans-Retinal
Catalogue No.	VQ-035280
CAS Number	116-31-4
IUPAC name	(2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohexen-1-yl)nona-2,4,6,8-tetraenal
Molecular formula	C₂₀H₂₈O
Molecular weight	284.4 g/mol
Exact mass	284.214
Grade	Reference Standard
HSN code	38229090
InChIKey	NCYCYZXNIZJOKI-OVSJKPMPSA-N
SMILES	CC1=C(C(CCC1)(C)C)/C=C/C(=C/C=C/C(=C/C=O)/C)/C
PubChem CID	638015

Physical properties
Physical form	Solid
LogP (XLogP3)	6.2
H-bond donors / acceptors	0 / 1
TPSA	17.1 Å²
Synonyms	Retinal, trans-Retinal, vitamin A aldehyde, retinene, axerophthal, all-E-Retinal, E-Retinal, Retinene 1, all-trans-Retinaldehyde, Vitamin A1 aldehyde, all-trans-Vitamin A aldehyde, all-trans-Retinene

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H360May damage fertility or the unborn child
H413May cause long lasting harmful effects to aquatic life

Precautionary statements: P203, P264, P270, P273, P280, P301 + P317, P302 + P352, P318, P321, P330, P332 + P317, P362 + P364, P405, 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 All-trans-Retinal?

The CAS Registry Number of All-trans-Retinal is 116-31-4. It is also known as Retinal, trans-Retinal, vitamin A aldehyde.

What is the molecular formula and molecular weight of All-trans-Retinal?

All-trans-Retinal has the molecular formula C20H28O and a molecular weight of 284.4 g/mol. Its IUPAC name is (2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohexen-1-yl)nona-2,4,6,8-tetraenal.

What is All-trans-Retinal used for?

All-trans-Retinal is supplied as a characterised reference material related to Retinol. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of All-trans-Retinal can I order?

We supply All-trans-Retinal in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with All-trans-Retinal?

Yes. Every lot of All-trans-Retinal 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 All-trans-Retinal be shipped internationally?

Yes. All-trans-Retinal 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.