Guidechem's HOT RFQ – 3rd Week of September 2025

Column Purpose & Target

Guidechem HOT RFQ is a weekly column that highlights the most valuable and trending chemical purchase requests from our platform. It helps both buyers and suppliers stay informed and act quickly in the global chemical trade.

Frequency: Weekly, published every Thursday.

Benefits

• Buyers: Discover popular RFQs and learn how to submit high-quality RFQs to attract more supplier quotes.
• Suppliers: Access timely global demand insights and learn to reply efficiently to quality RFQs to increase order rates.

Weekly HOT RFQs

?? Asia

Alkali lignin (CAS: 8068-5-1)

Country: Korea
Quantity: 50 T
Lignin, alkali type used in industrial applications.

Methyl 3-[(trimethylsilyl)oxy]-2-[1-[(trimethylsilyl)oxy]ethenyl]-2-butenoate (CAS: 144685-99-4)
Country: India
Quantity: 500 G
A silyl-protected butenoic acid methyl ester intermediate.

Methyl 9,10-dihydro-3,5,8-trihydroxy-1-methyl-9,10-dioxo-2-anthracenecarboxylate (CAS: 141111-38-8)
Country: India
Quantity: 500 G
Anthracene derivative used in research and specialty chemicals.

2,7-DI-TERT-BUTYL-9,9-DIMETHYL-4,5-XANTHENEDICARBOXYLIC ACID (CAS: 130525-39-2)
Country: Japan
Quantity: 1 G
Specialty xanthene-based dicarboxylic acid.

Potassium lactate (CAS: 996-31-6)
Country: Singapore
Quantity: 25 KG
Food-grade potassium lactate, often used as preservative.

Sodium lactate (CAS: 72-17-3)
Country: Singapore
Quantity: 25 KG
Common additive and pharmaceutical excipient.

1,3,2-Dioxaphospholane, 4,4,5,5-tetramethyl-, 2-oxide (CAS: 16352-18-4)
Country: India
Quantity: 280 KG
Phosphorus-containing compound used in organic synthesis.

D-Glucuronic acid (CAS: 6556-12-3)
Country: Korea
Quantity: 10 KG
Biochemical compound used in metabolism and detox processes.

Carbavance (CAS: 2031124-72-6)
Country: Pakistan
Quantity: 10 G
Pharmaceutical compound under clinical interest.

DL-Malic acid dihydrazide (CAS: 6641-30-1)
Country: India
Quantity: 10 G
Hydrazide derivative of DL-malic acid for research use.

LiOH (CAS: 1310-65-2)
Country: India
Quantity: 500 KG
Lithium hydroxide, used in batteries and industrial processes.

TERTBUTYL6-OXO-2AZASPIRO[3.3]HEPTANE (CAS: 1181816-12-5)
Country: India
Quantity: 100 G
Spirocyclic intermediate for pharmaceutical synthesis.

2-CHLORO-3NITRO-6(TRIFLUOROMETHYL)PY (CAS: 117519-08-1)
Country: India
Quantity: 100 G
Halogenated pyridine derivative used in research chemistry.

TERT-BUTYL(3S,4R)-3-FLURO-4-HYDROXYP (CAS: 1174020-40-6)
Country: India
Quantity: 10 G
Chiral piperidine intermediate used in drug development.

(3S,4R)-TERT-BUTYL 4-AMINO-3-METHOXYP (CAS: 1171125-92-0)
Country: India
Quantity: 100 G
Piperidine derivative with amino and methoxy groups.

CYCLOPROPYLMETHANESULFONYLCHLORIDE (CAS: 114132-26-2)
Country: India
Quantity: 1000 G
Sulfonyl chloride derivative for organic synthesis.

OXETANE-3-CARBOXYLIC ACID (CAS: 114012-41-8)
Country: India
Quantity: 100 G
Oxetane-based carboxylic acid used as a chemical intermediate.

5-CHLOROPYRIDINE-3-CARBOXALDEHYDE (CAS: 113118-82-4)
Country: India
Quantity: 500 G
Chloropyridine aldehyde used in pharmaceutical intermediates.

1,4-dithiane-2,5-diol (DHDT) (CAS: 55704-78-4)
Country: India
Quantity: 20 KG
Dimeric mercapto propanone with thiol functionality.

N-Acetyl-D-mannosamine (CAS: 7772-94-3)
Country: India
Quantity: 10 KG
Amino sugar used in biochemical and glycobiology research.

Trimetazidine DIhCl (CAS: 13171-25-0)
Country: Pakistan
Quantity: 15 KG
Trimetazidine dihydrochloride, a cardiovascular drug.

5-METHOXY-3-(2-DIISOPROPYLAMINOETHYL)INDOLE HYDROCHLORIDE (CAS: 2426-63-3)
Country: Hong Kong
Quantity: 10 bottles
Indole-based hydrochloride compound for research use.

Cycloundecanone (CAS: 878-13-7)
Country: India
Quantity: 1 KG
Macrocyclic ketone used in fragrance and chemical synthesis.

?? America

3-Methylpiperidin-4-one hydrochloride (CAS: 4629-78-1)

Country: Mexico
Quantity: 25 KG
Piperidone hydrochloride salt, used as an intermediate in synthesis.

2,2-DiMethyl-4-oxopiperidine-1-carboxylic acid tert-butyl ester (CAS: 346593-03-1)
Country: Mexico
Quantity: 25 KG
Protected piperidone ester intermediate for pharmaceutical use.

1,2-Dimethylpiperidin-4-one (CAS: 13669-32-4)
Country: Mexico
Quantity: 25 KG
Methylated piperidone derivative used in fine chemical synthesis.

2,2-DiMethylpiperidin-4-one (CAS: 858264-10-5)
Country: Mexico
Quantity: 25 KG
Piperidone derivative with two methyl groups at position 2.

2,2-DIMETHYL-PIPERIDIN-4-ONE HYDROCHLORIDE (CAS: 1303968-37-7)
Country: Mexico
Quantity: 25 KG
Hydrochloride salt of dimethyl piperidone for chemical research.

N-Boc-4-iodopiperidine (CAS: 301673-14-3)
Country: Mexico
Quantity: 100 KG
Boc-protected iodopiperidine intermediate in organic synthesis.

Ethyl 4-hydroxypiperidine-1-carboxylate (CAS: 65214-82-6)
Country: Mexico
Quantity: 25 KG
Piperidine ester compound for use in pharmaceutical chemistry.

1-Methyl-4-piperidone (CAS: 1445-73-4)
Country: Mexico
Quantity: 25 KG
Methylated piperidone widely used as a key synthetic intermediate.

Ethyl 4-hydroxypiperidine-1-carboxylate (CAS: 65214-82-6)
Country: Mexico
Quantity: 25 KG
Hydroxypiperidine ester commonly applied in pharmaceutical R&D.

?? Europe

Nandrolone decanoate (CAS: 360-70-3)

Country: Croatia
Quantity: 500 G
An anabolic steroid ester used in medical and performance contexts.

1,4,6-Trioxaspiro[4.6]undecane, 2-methyl- (CAS: 21511-66-0)
Country: United Kingdom
Quantity: 25 G
A spirocyclic ether compound used in chemical research.

(E)-N-3-(IODOPROP-2-ENYL)2BETA-CARBOMETHOXY-3BETA-(P-TOLYL)-NORTROPAN (CAS: 188680-71-9)
Country: Romania
Quantity: 1 T
Nortropane derivative with iodine substituent, used in advanced research.

?? Unspecified

6-hydroxy-L-tryptophan (CAS: 13567-14-1)

Country: Unspecified
Quantity: 100 G
Hydroxylated tryptophan derivative used in biochemical research.

dibromo-p-methylsulfonazo (CAS: 188641-21-6)
Country: Unspecified
Quantity: 50 G
Sulfonazo dye compound with dibromo substitution, used in analytical chemistry.

SODIUM POLYGLUTAMATE (CAS: 28829-38-1)
Country: Unspecified
Quantity: 1 KG
Biopolymer derived from glutamic acid, used in food and pharma industries.

Testosterone cypionate (CAS: 58-20-8)
Country: Unspecified
Quantity: 1 T
Testosterone ester commonly used in hormone therapy.

POLY(STYRENESULFONIC ACID-CO-MALEIC ACID), SODIUM SALT (CAS: 68037-40-1)
Country: Unspecified
Quantity: 1000 KG
Copolymer sodium salt used as dispersant, stabilizer, and additive.

Peptids (Ipamorelin) (CAS: 170851-70-4)
Country: Unspecified
Quantity: 5 Vials
Synthetic peptide Ipamorelin, a selective growth hormone secretagogue.

For Buyers – How to Post an RFQ

Why post an RFQ on Guidechem?

• Reach thousands of verified global suppliers
• Increase visibility and get faster quotes
• Benefit from transaction assurance and logistic support

How to Post an RFQ on Guidechem?

Posting a Request for Quotation (RFQ) on Guidechem is simple and efficient. Follow these steps to connect with the best suppliers worldwide:

1. Register and Log In to your Guidechem account.
2. Click on the “Post an RFQ” button and fill in the product details, including quantity and country of origin.
3. Receive competitive quotes from suppliers and choose the best match for your needs.

Whether you're sourcing specialty chemicals or bulk raw materials, Guidechem is here to help! Connect with trusted suppliers and streamline your procurement process today. ??

For Suppliers – How to Leverage HOT RFQs

Why monitor HOT RFQs?

• Stay ahead by spotting active global demands
• Match with serious buyers faster
• Improve quote success rate with well-targeted replies

Tips to Respond Efficiently:

1. Reply within 24 hours of RFQ publication
2. Include detailed quotation: lead time, packaging, incoterms
3. Highlight factory certifications and supply capacity
4. Attach documents such as COA, MSDS, product photos

* If you’d like your inquiry to be featured next week, make sure to post a complete RFQ with valid contact and product details.

Guidechem's Weekly Hot RFQs 丨3rd Week of September 2025