How long does it take for me to get a sample?

It depends. Generally speaking, it is about 7-10 days.

Why is the quote offered different from the sticker price?

As we know, prices of chemicals are not fixed, they fluctuate with the markets.

Can you give me a discount price?

Yes. It depends on your order qty.

How about your delivery? When will my goods be shipped?

Prompt and reliable delivery by professional shipping lines. About 3-5 days after prepayment is done.

Is the quality of your products guaranteed?

We have a professional R&D team, so every batch of our products is up to standard. We will have goods tested and provide COA before delivery for sure.

CAS 121-63-1 4, 4'-Bis (chlorosulfonyl) Diphenyl Ether Obsc

Name: CAS 121-63-1 4, 4'-Bis (chlorosulfonyl) Diphenyl Ether Obsc
Brand: Suzhou Senfeida Chemical Co., Ltd.
SKU: 1991931132

Jiangsu, ChinaSuzhou Senfeida Chemical Co., Ltd.

US$15.00

1-189 kg

US$8.00

190-999 kg

US$3.00

1,000+ kg

Sample price:US$100.00/kg.Request sample

Product profile

Customization

Available

CAS No.

121-63-1

Formula

C12h8cl2o5s2

Model NO.

CAS 121-63-1

EINECS

204-488-8

Type

Synthesis Material Intermediates

Appearance

Powder

Quality

Industrial

Colour

White

Physical State

Powder

Usage

Chemical Industry

Transport Package

Bag

Specification

25kg

Trademark

SENFEIDA

Origin

Jiangsu

HS Code

2930909068

Production Capacity

100tons/Month

Key features

High Purity Industrial Grade: White crystal powder with industrial quality standard for chemical intermediates.

Versatile Chemical Application: Used in organic synthesis, pharmaceuticals, plasticizers, and OBSH foaming agents.

Direct Manufacturer Supply: Factory with over 10 years experience ensuring stable supply and competitive pricing.

Flexible Packaging Options: Available in 25kg/bag, iron drums, plastic drums, IBC tanks, and ISO TANKs.

Quality Guaranteed with COA: Professional R&D team ensures every batch meets standards with COA provided.

Fast Sample Availability: Free samples available with delivery in 7-10 days (buyer pays freight).

Reliable Prompt Delivery: Goods shipped within 3-5 days after prepayment via professional shipping lines.

Customizable Order Terms: Low MOQ of 1 package; flexible payment terms including TT and LC.

Company profile

Suzhou Senfeida Chemical Co., Ltd.

Jiangsu, China

Business Type: Manufacturer/FactoryExport Year: 2018-01-01Nearest Port: ShanghaiAverage Response Time: ≤18hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

AI-Powered supplier vetting

SummarySuzhou Senfeida Chemical Co., Ltd. is identified as a China-based limited company engaged in chemical trade and described in some records as a manufacturer/factory. It offers fine chemicals across environmental solvents, special chemicals, epoxy resin additives, UV monomers, catalysts, and organic intermediates. The supplier reports ISO 9000/9001 and ISO 14000/14001 certifications, 50 years of combined R&D engineer experience, five production lines, and exports to multiple global regions. Its stated product development and quality-control capabilities are positive, but after-sales capability is supported only by a general company claim. Financial credibility, customization capability, and customer-case depth remain insufficiently evidenced because the available trade records show only isolated transactions and no verifiable financial performance details.

CertificationsThe supplier reports holding ISO 9000, ISO 9001, ISO 14000, and ISO 14001 management-system certifications. These explicitly support quality and environmental management credentials.

After-Sales capabilityThe company explicitly states that it has an excellent after-sales service concept and is committed to providing first-class services. However, no operational details, service response standards, staffing, or documented customer outcomes are provided.

R&D capabilityThe supplier describes strong product R&D and technological innovation capabilities, reports development of more than 30 products across six series, and lists 50 years of total R&D engineer experience. These statements provide explicit evidence of an established innovation function, although no patents or independently verified technical achievements are shown.

Production capacityThe supplier is identified as a manufacturer/factory, reports five production lines, and states that it has developed more than 30 chemical products across six series. These details support existing production capability, while the data does not establish whether capacity is sufficient for a specific buyer order.