Tetrahydroberberine sample analysis report - Database & Sql Blog Articles

Probe domestic PA058-F small four-claw full gold-plated needle body diameter 0.58 needle length 15.

Test - lowercase jpg

Brand AVX TPSE226M035R0125 Low impedance tantalum capacitor AVX 22

Electronic scale crystal oscillator 3.2*2.5mm 3225 16M (16.000MHZ) 12PF 10PPM 20PPM 30PPM

kind

Product

Minute

Analysis

Newspaper

Report

batch number:

ZS0907BB13

sample name

Tetrahydroberberine

CAS No.

522-97-4

Molecular formula

C ₂₀ H ₂₁ NO ₄

Molecular weight

339.39

structure

Storage conditions

4

°C

, sealed, protected from light

project

standard

result

Exterior

Light yellow powder

meets the

Solubility

Hot water

meets the

HPLC

98%

98.2%

material

:Hyper 0DS2 C18

Flow rate

:1.0 ml/min

Mobile phase

:

Acetonitrile:

0.3%

Phosphate buffer

=30:70

pressure

:10.0 MPa

Column length

:250 mm

Detector

: DAD270 nm

Column diameter

:4.6 mm

Injection volume

: 20 ul

#

Component name

keep time

(min)

Peak height

(mv)

Peak area

(mv.sec)

Area percentage

(%)

1 Unknown 11.83500 1.55 15.55 0.1782

2 Unknown 14.26000 4.75 38.59 0.4423

3 Unknown 17.07500 1.14 20.21 0.2316

4

Tetrahydroberberine

20.26000 899.65 8571.33 98.2382

5 Unknown 24.10667 8.50 79.37 0.9097