(S)-5-(Pyrrolidin-2-yl)-1H-tetrazole

Name: (S)-5-(Pyrrolidin-2-yl)-1H-tetrazole
Brand: Vaqora Chemicals
SKU: VQ-040268

About (S)-5-(Pyrrolidin-2-yl)-1H-tetrazole

(S)-5-(Pyrrolidin-2-yl)-1H-tetrazole (CAS 33878-70-5) is an azole building block offered by Vaqora Chemicals. The compound has the formula C5H9N5, corresponding to a molecular weight of 139.16 g/mol. Its systematic (IUPAC) name is 5-[(2S)-pyrrolidin-2-yl]-2H-tetrazole. It is also known as L-Proline tetrazole or (S)-(-)-5-(2-Pyrrolidinyl)-1H-tetrazole.

Store sealed in a dry, well-ventilated location away from incompatible materials. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span organic synthesis and API synthesis. Buyers come mainly from pharmaceutical manufacturing, academic and industrial research and agrochemical production.

We offer (S)-5-(Pyrrolidin-2-yl)-1H-tetrazole in 100 mg, 250 mg, 1 g and 5 g packs with a batch-specific COA, and ship to customers worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	(S)-5-(Pyrrolidin-2-yl)-1H-tetrazole
Catalogue No.	VQ-040268
CAS Number	33878-70-5
IUPAC name	5-[(2S)-pyrrolidin-2-yl]-2H-tetrazole
Molecular formula	C₅H₉N₅
Molecular weight	139.16 g/mol
Exact mass	139.0858
HSN code	2933
InChIKey	XUHYQIQIENDJER-BYPYZUCNSA-N
SMILES	C1C[C@H](NC1)C2=NNN=N2
PubChem CID	11275040

Physical properties
Physical form	Other
LogP (XLogP3)	-0.6
H-bond donors / acceptors	2 / 4
TPSA	66.5 Å²
Synonyms	L-Proline tetrazole, (S)-(-)-5-(2-Pyrrolidinyl)-1H-tetrazole, 5-[(2s)-pyrrolidin-2-yl]-1H-1,2,3,4-tetrazole, 5-[(2S)-pyrrolidin-2-yl]-1H-tetrazole, 1H-Tetrazole, 5-(2-pyrrolidinyl)-, (S)-, (S)-5-(2-Pyrrolidinyl)-1H-tetrazole, (S)-5-(pyrrolidin-2-yl)-2H-tetrazole

Safety & hazard information (GHS)

Toxic

Harmful / irritant

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P316, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, 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 (S)-5-(Pyrrolidin-2-yl)-1H-tetrazole?

The CAS Registry Number of (S)-5-(Pyrrolidin-2-yl)-1H-tetrazole is 33878-70-5. It is also known as L-Proline tetrazole, (S)-(-)-5-(2-Pyrrolidinyl)-1H-tetrazole, 5-[(2s)-pyrrolidin-2-yl]-1H-1,2,3,4-tetrazole.

What is the molecular formula and molecular weight of (S)-5-(Pyrrolidin-2-yl)-1H-tetrazole?

(S)-5-(Pyrrolidin-2-yl)-1H-tetrazole has the molecular formula C5H9N5 and a molecular weight of 139.16 g/mol. Its IUPAC name is 5-[(2S)-pyrrolidin-2-yl]-2H-tetrazole.

Which grade and pack sizes of (S)-5-(Pyrrolidin-2-yl)-1H-tetrazole can I order?

We supply (S)-5-(Pyrrolidin-2-yl)-1H-tetrazole, 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 (S)-5-(Pyrrolidin-2-yl)-1H-tetrazole?

Yes. Every lot of (S)-5-(Pyrrolidin-2-yl)-1H-tetrazole 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 (S)-5-(Pyrrolidin-2-yl)-1H-tetrazole be shipped internationally?

Yes. (S)-5-(Pyrrolidin-2-yl)-1H-tetrazole 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.