Leaf stencils
Attractive and fun leaf stencils for little artists to develop their manual dexterity, creativity and knowledge of the natural world.
The stencil technique is a technique that ...
Geometric shapes stencils
Attractive and fun geometric shapes stencils for little artists to develop their manual dexterity, creativity and imagination. Allows children to explore, have fun an...
STOP:bit semaphore for BBC Micro:bit STOP:bit Traffic Light for BBC Micro:bit is the best solution for traffic light/pedestrian crossing projects. It has 3 LEDs of 10mm diameter. Each of them is d...
Synonym: 4-Aminobenzènesulfonamide Formula : C 6 H 8 N 2 O 2 S Molecular weight: 172.20 g/mol CAS Number : 63-74-1 EC Number : 200-563-4
Specification : Appearance: white crystals Minimum purity...
Formula : C 40 H 40 N 6 O 6 S
Molecular weight: 732.85 g/mol
CAS Number : 3625-57-8
CE Number : 222-832-5
Specification :
Appearance: poor pour-over
Minimum purity: 75%
Melting point : &g...
Formula : H 8 N 2 O 4 S
Molecular weight: 132.14 g/mol
CAS Number : 7783-20-2
CE Number : 231-984-1
Specification :
Appearance: clear brown cristaux blancs
Minimum purity: 98%
Melting poi...
Formula : H 16 CeN 4 O 16 S 4 , 2H 2 O
Molecular weight: 632.55 g/mol
CAS Number : 10378-47-9
Specification :
Appearance: orange orange powder
Minimum purity: 98%
Melting point: 130°C
Sol...
