47
Assay% Min 99
Specific rotation 8.0° - 9.0°
UV absorption
Max 0.5
Loss on drying (at 105 °C;3 hrs.) Max 0.3
Chloride (Cl) % Max 0.002
Sulfate (SO ) %
Max 0.01
4
Heavymetals (as Pb) % Max 0.001
Ammonium(NH ) % Max 0.01
4
Foreign amino acids other ninhydrin
positive substances (as glycine) % Max 0.1
Product code:
203030005/0025
C.A.S. :
52-90-4
EINECS :
200-158-2
L-Cysteine
For Biochemistry
5 gr
25 gr
H302
P264-P270-P301-P312-P330-P501
C H NO S MW=121.16
3 7
2
Assay% Min 99
Melting point °C 210 220
Ash% Max 0.05
Product code:
C.A.S. :
203200001/0005
65-46-3
EINECS :
200-610-9
MW =
Cytidine
For Biochemistry
C H N O
243.22
9 13 3 5
1 gr
5 gr
MW=
175.64
C H ClNO S.H O
3 8
2
2
Assay% Min 99
Specific rotationUV absorption (280 nm,1mol/l,1cm,water) Max 0.1
Specific Rotation +5.5° to+7.0°
Sulfate (SO ) % Max 0.01
4
Heavymetals (as Pb) % Max 0.001
Ammonium(NH ) % Max 0.01
4
Foreign amino acids% Max 0.3
Other Ninhydrin-positive substances (as Glycine) % Max 0.1
Water % 9 - 11.5
Product code:
C.A.S. :
EINECS :
203020005/0025
7048-04-6
200-157-7
L-Cysteine
For Biochemistry
hydrochloride monohydrate
5 gr
25 gr
H315-H319-H335
P261-P305-P351-P351-P338-P302-P352-P321-P405-P501
www. b i o c h emo p h a r ma . f r
web
on the
Finding
US
Assay (by GC) % Min 98.0
Water % Max 0.1
Residue on Evaporation% Max 0.005
Acidity (meq/g) (meq/g) Max 0.0005
H304-H400-H410-H315-H336
P261-P301-P310-P302-P352-P321-P405
Product code:
C.A.S. :
EINECS :
200662500
110-82-7
203-806-2
MW =
Cyclohexane
For Synthesis
C H
84.16
6 12
2.5 L
Assay% Min 99.5
Wt.perml at 20 °C% About 0.95
Freezing point 20 - 22 °C
Refractive index (n20 °C /D) 1.465 - 1.467
Cyclohexanone% Max 0.5
Product code:
C.A.S. :
EINECS :
203120500
108-93-0
203-630-6
Cyclohexanol
Analytical Reagent
500 ml
H332-H315-H335-H227-H303
P210-P261-P280-P304-P340-P405-P501A
C H O
6 12
MW=100.16
Assay% Min 99.5
Refractive index 1.450 - 1.451
Wt. perml at 20 °C 0.945 - 0.947 g/ml
Water % Max 0.2
Non volatilematter% Max 0.02
Acidity (CH COOH) % Max 0.001
3
Cyclohexane (C H ) % Max 0.001
6 12
Cyclohexanol (C H O) % Max 0.2
6 12
Copper (Cu) % Max 0.00005
Iron (Fe) % Max 0.0001
Lead (Pb) % Max 0.00005
Product code:
C.A.S. :
EINECS :
203000500
108-94-1
203-631-1
Cyclohexanone
Analytical Reagent
C H O
98.15
6 10
MW =
500 ml
H226-H332
P210-P261-P280-P303-P361-P353-P403-P235-P501A
Assay (GC, area%) % Min 98
Density (d20 °C /4 °C) 0.810 - 0.811
Identity Conforms
Product code:
C.A.S. :
EINECS :
203260500
110-83-8
203-807-8
82.15
Cyclohexene
For Synthesis
C H
6 10
MW =
500 ml
H225-H301-H304
P210-P280-P301-P310-P303-P361-P353-P405-P501A
