(+/-)-Tetrahydropapaverine

Also known as: tetrahydropapaverine, norlaudanosine, rac-norlaudanosine, 1-[(3,4-dimethoxyphenyl)methyl]-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline, 1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline, EINECS 235-968-5

(+/-)-Tetrahydropapaverine (CAS 13074-31-2) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C20H25NO4 and a molecular weight of 343.41700 g/mol. Key properties include a boiling point of 475.8ºC at 760 mmHg, a density of 1.12g/cm3 and a flash point of 202.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 13074-31-2
Jingsj CID: J-1167792-2
Molecular Formula: C₂₀H₂₅NO₄
Molecular Weight: 343.41700 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	475.8ºC at 760 mmHg
Density	1.12g/cm3
Flash Point	202.7ºC
Exact Mass	343.17800
PSA	48.95000
LogP	3.47930
Vapor Pressure	3.23E-09mmHg at 25°C

Customs & Trade Information

HS Code	2933499090
Summary	2933499090. other compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of (+/-)-Tetrahydropapaverine?

The CAS number of (+/-)-Tetrahydropapaverine is 13074-31-2.

What are the molecular formula and molecular weight of (+/-)-Tetrahydropapaverine?

(+/-)-Tetrahydropapaverine has molecular formula C20H25NO4 and molecular weight 343.41700 g/mol.

What are the upstream and downstream products of (+/-)-Tetrahydropapaverine?

For (+/-)-Tetrahydropapaverine, Upstream Products: Papaverine, 3,4-Dihydropapaverine, Tetrahydropapaverine hydrochloride; Downstream Products: (R)-(+)-Tetrahydropapaverine, (S)-(-)-Tetrahydropapaverine, Oxoglaucine.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "(+/-)-Tetrahydropapaverine (CAS 13074-31-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1167792-2 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.