 Home > Pharmaceutical Intermediates > Bulk Drug Intermediates > tert-butyl (2R)-2-ethynylpyrrolidine-1-carboxylate for Sale > tert-butyl (R)-2-ethynylpyrrolidine-1-carboxylate 130418-90-5

tert-butyl (R)-2-ethynylpyrrolidine-1-carboxylate 130418-90-5

Name: tert-butyl (R)-2-ethynylpyrrolidine-1-carboxylate 130418-90-5
Brand: Zentrachem
SKU: pr2509082203
Price: 0.1 USD
Availability: InStock

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CAS No.:

130418-90-5

Grade:

Pharmaceutical Grade

Content:

95%

Port:

Shanghai

Brand:

Zentrachem

Packaging:

25kgs in drum

Price valid (until):

2025-09-30

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Hangzhou Zentra Bio-Chemical Co., Ltd.

Company Type:

Trader

Location:

China

Qualification:

Main Products:

pharmaceutical intermediates,excipients,plant extracts,food additives,CDMO,fine cheimcals

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Product Description
Seller Information

Description

Product Detail

samples available

we are capable of:

1) quick quotation, normally within 1-2 days

2) full marketing research

3) price control and quality(regulatory) control

4) all stage support from sample, pilot, registration and commercial

5) sourcing for prodcut which is very new or hard to find

6) CMO/CDMO, from pilot-scale development to industrial-scale manufacturing

What are the MOQ and lead time?

MOQ varies (high-value chemicals may negotiate to g-kg-level).

Lead time typically 2-4 weeks, with expedited options upon request.

How do we ensure product quality and compliance?

We enforce a 3-step protocol:

① Source only from ISO-certified suppliers;

② Provide batch-specific COA/COO;

③ Dedicated team monitors global regulations (e.g., China NECIC, EU SCIP).

Do we offer customized synthesis?

Yes!

We provide end-to-end solutions from R&D to scale-up production.

Technical specs (e.g., purity, CAS#) and intended use documentation are required.

How do we handle logistics and customs?

We support CIF/FOB/DDP/DAP terms, partner with global logistics providers,

and have in-house experts for HS code classification, hazardous material documentation, etc.

How do we manage raw material price fluctuations?

We mitigate risks via long-term contracts, multi-region sourcing,

and futures hedging, supplemented with quarterly market analysis reports.

Items Specifications

Certificates
Basic Info

Product Name:
tert-butyl (2R)-2-ethynylpyrrolidine-1-carboxylate

Other Name:
N-Boc-2-ethynylproline;

CAS No.:
130418-90-5

Molecular Formula:
C11H17NO2

InChIKeys:
MKFYNQAKTJFISL-VIFPVBQESA-N

Molecular Weight:
195.25800

Exact Mass:
195.125928785

DSSTox ID:
DTXSID00437478

Categories:
Bulk Drug Intermediates

Characteristics

PSA:
29.54000

XLogP3:
1.95700

Density:
1.041g/cm3

Boiling Point:
249.165ºC

Flash Point:
104.491ºC

Refractive Index:
1.492

Vapor Pressure:
0.023mmHg at 25°C
Seller Information

Business Type:
Trader

Main Products:
pharmaceutical intermediates,excipients,plant extracts,food additives,CDMO,fine cheimcals

Location:
Rm 301, Bld 2, Taohuahu Neighborhood Center, Hangzhou, China

Payment Terms:
TT against copy of documents,D/P,L/C,D/A,100% TT in advance

Average lead Time:
14

Total Employees:
5-10

Year of Establishment:
2025

Zentra Chemical, headquartered in Hangzhou, China, is aiming to be a global leader in chemical trading and integrated solutions.

Specializing in Pharmaceutical intermediates, Agrochemical intermediates, Fine chemicals, and Cosmetic ingredients, we deliver end-to-end services spanning sourcing, supply chain optimization, customized synthesis, cost management, and quality assurance.

Our mission is to empower clients worldwide with agile, sustainable, and value-driven partnerships in the ever-evolving chemical industry.

Why us

Supplier, distributor & marketer of chemicals with >20 yrs of experience, with Integrated sourcing solutions.

Wide product range , We can source any fine chemical you require, unlimited range, including intermediates and products for agrochemicals, cosmetics, APIs, nanotechnology, additives, flavors, fragrances, photography, plant extracts, electronics industries and more.

We can solve your sourcing problems through our own or third party manufacturing in the most transparent way.

We supply all stage support from sample, pilot, registration and commercial.

Through selected pre-qualified partners under exclusive arrangements, we offer Contract manufacturing and custom synthesis , Kilo to Multi-ton scale production.

Capability

with hundreds of local manufacturers(pre-qualified), we are capable of:

1) quick quotation, normally within 1-2 days;

2) full marketing research;

3) price control and quality(regulatory) control;

4) all stage support from sample, pilot, registration and commercial;

5) sourcing for prodcut which is very new or hard to find;

6) CMO/CDMO, from pilot-scale development to industrial-scale manufacturing.
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Items	Specifications

tert-butyl (R)-2-ethynylpyrrolidine-1-carboxylate 130418-90-5

Product Description

Seller Information

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