ALL-TRANS-RETINAL116-31-4

Bis(methylthio)methane
1618-26-4

12/01/2021

Ethylene carbonate
96-49-1

12/01/2021

ALL-TRANS-RETINAL paramete

CAS No.:	116-31-4
MF:	C20H28O, C20H28O
Place of Origin:	Shandong, China
Purity:	99%min
Model Number:	C-CAS 116-31-4
Appearance:	Yellow powder, Yellow powder
CAS:	116-31-4
Storage:	Normal termperature
Sample:	Available
Assay:	99%min

Other Names:	ALL-TRANS-RETINAL
EINECS No.:	204-135-8
Type:	Pharmaceutical Intermediates
Brand Name:	Look chemical
Application:	Intermediate
NAME:	ALL-TRANS-RETINAL
MW:	284.44
Stock:	Enough
Packing:	1kg/bag,25kg/bag or as your requirements

Application

An intermediate of beta-carotene.

Specifications

Item	Standard
Structural data confirmation	1. H-NMR: The data of structure are identical with reference standard
	2. HPLC-MS: Ensure the molecular weight of main peak and fragment peak are identical with reference standard
	3. IR:The data of IR are identical with that of reference standard
Purity(HPLC)	≥99.0%
Related impurities	Specific single impurity	Meets EP/USP/BP standards
	Non-specific single impurity	≤0.10%
	Total Impurities	≤0.50%
Crystal form	Meets EP/USP/BP standards
Loss on drying	≤1.0%
Water	≤1.0%
Inorganic salt	≤0.1%
Heavy metals	≤10 ppm
Assay	99.0%~101.0%(According to EP/USP/BP standards)
Microbiological Analysis
Total plate count	≤1000cfu/g
Yeast and Moulds	≤100cfu/g
E. Coli.	Absent
Salmonella	Absent
S.aureus	Absent

Storage

-20ºC

Product service

1. Certificate Of Analysis (COA)

2. Material Safety Data Sheet (MSDS)

3. Route of synthesis (ROS)

4. Method of Aanlysis (MOA)

5. Nuclear Magnetic Resonance (NMR)

6. Packing pictures and loading video before loading

7. Free Sample

8. Factory audit

Service

Pre-Sales Service

* Prompt reply and 24 hours online, professional team to provide best price and high quality product.

* Every batch of products will be tested to ensureits quality.

* Sample testing support.

*The packing also can be according the customers` requirment.

*Any inquiries will be replied within 24 hours.

*we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.

After-Sales Service

* Any questions about the product can be consulted at any time.

*The fact of logistics information monitoring.

*Product has any problem can return.

Superiority:

* The series of natural extracted product are all self-developed, produced and tested. Mature production technology, strict cost control, and perfect quality assurance system, ensure the product stability and competitive price.
* We have clients throughout the world.
* Professional service and rich experience make customers feel at ease, adequate stock and fast delivery meet your desire.
* Market feedback and goods feedback are appreciated, meeting customers's requirement is our responsibility.
* High quality, competitive price, fast delivery, first-class service gain the trust and praise from the customers.

Shipping

Secure and discreet shipment. You have various choices of transportation methods.

1. ≤50kg, Express delivery recommended, usually called as DDU service;

2. ≤500kg, Air shipping recommended, usually called as FOB, CFR, or CIF service;

3. >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;

4. For high value products, please select air shipping and express delivery for safe.

FAQ

Q1: Do you accept sample order?

A: We will make samples before mass production, and after sample approved, we'll begin mass production. Doing 100% inspection during production, then do random inspection before packing.

Q2: What information should I let you know if I want to get a quotation

A : Quality you require, eg. Assay, Purity, or single impurity -Quantity you need -Standard you want, such as USP, EP, JP etc.

Q3: What’s your MOQ?

A : Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.

Q4: Do you supply product report?

A : Yes. We'll give you product analysis report before shipping.

Q5: What is our advantage?

A : The series of natural extracted product are all self-developed, produced and tested. Mature production technology, strict cost control, and perfect quality assurance system, ensure the product stability and competitive price.

Q6: When will you deliver the goods

A : For sample(less than 1kg), in about 3 working days after payment; for larger orders (more than 1kg), in about 7 working days after payment.

Q7: How to confirm the Product Quality before placing orders?

A : You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.