Welcome to B2BAGE
pterostilbene CAS 537-42-8, 25-99%
pterostilbene CAS 537-42-8, 25-99%

Minimum Order: 0
Quality/Safety Certification: 0.00


Alias trans-Pterostilbene; 3,5 - dimethoxy--4 '- hydroxy-stilbene; (E) -3,5 - dimethoxy--4' - hydroxy-styrene; (E) -4 - [2 - (3,

Anhui Minmetals Development Imp/Exp Co.,Ltd.

CERTIFICATE OF ANALYSIS

Product Name: Pterostilbene

CAS NO.: 537-42-8

Molecular Formula: C16H16O3

Batch N0.: 20100110

Quantity: 50KGS

Manufacture Date:

Jan, 10th, 2010

Analysis Date:

       Jan, 10th, 2010

 

 

Analysis

Specification

Result

Appearance

Off white powder

Complied

Melting range

85~88

85~88

Assay(HPLC)

≥99%

99.50%

Mesh size

200mesh

200mesh

Loss on drying

≤0.5%

0.43

Ignition residue

≤0.2%

0.09

Heavy metals

≤10ppm

Conform

Pb

≤2.0ppm

0.9ppm

As

≤2.0ppm

1.0ppm

Cd

≤2.0ppm

0.9ppm

Total plate count

≤1000cfu/g

240cfu/g

Yeast and mold

≤100cfu/g

19cfu/g

E.coli

Negative

Negative

Salmonella

Negative

Negative

Pseudomonas aeruginosa

Negative

Negative

Aflatoxin B1

≤5.0ppm

Complied

Staphylococus

Negative

Negative

Conclusion

Meets in-house specification.

Packing and Storage

Packing

Pack in tin and two plastic-bags inside.

Storage

Store in a well-closed place with constant low temperature and no direct sun light

Shelf life 

2 years when properly stored.

Ads by Google



About Us | Contact Us | Help | Terms & Conditions
Hot Products: A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0-9
Copyright Notice @ 2008-2022 B2BAGE Limited and/or its subsidiaries and licensors. All rights reserved.