For Biochemistry
MW =
D-(-)-Ribose
C H O
150.13
5 10 5
Assay% Min 99
Specific rotation (a 20/D; 2%H O) -21° to -18.5°
2
Heavymetals (as Pb) Max 0.001
Water
Max 0.5
Product code:
301740005
C.A.S. :
50-69-1
EINECS :
200-059-4
5 gr
Identity (IR) Passes test
Solubility (1mg/ml; H O) Clear to slightly hazy red color solution
2
Absorption maxima
(0.001% inwater+ 1ml 1%Na CO solution 544 - 550 nm
2 3
Dyecontent % Min 85.0
Loss on drying (at 110°C) % Max 10
Product code:
316450025
C.A.S. :
632-69-9
EINECS :
211-183-3
C H .Cl I Na O MW =1017.65
20 2 4 4 2 5
Rose bengal
Analytical Reagent
25 gr
H315-H319-H335
P261-P280-P305-P351-P338-P304-P340-P405-P501A
pH transition Range 5.0 - 6.8 yellow - pink
Product code:
C.A.S. :
EINECS :
316640025
603-45-2
210-041-8
p-Rosolic acid
For Microscopy
C H O MW =290.32
19 14 3
25 gr
H315-H319-H335
P261-P280-P305-P351-P338-P304-P340-P405-P501A
95
For Biochemistry
MW =
Riboflavin
C H N O
376.36
17 20 4 6
Assay (spectrophotometric, on dried substance)% 99 - 101
Specific opticalrotatio °C -135 to -128
Relative absorption:
At A373 nm/A267 nm 0.31 - 0.33
At A444 nm/A267 nm 0.36 - 0.39
Loss on drying (at 105 °C) %
Max 1.5
Sulfated ash% Max 0.1
Product code:
301690010
C.A.S. :
83-88-5
EINECS :
201-507-1
10 gr
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