CAS- and EINECS-Numbers
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Element No.
Element Name
CAS-Number
EINECS-Number
1
Hydrogen
1333-74-0
215-605-7
2
Helium
7440-59-7
231-168-5
3
Lithium
7439-93-2
231-102-5
4
Beryllium
7440-41-7
231-150-7
5
Boron
7440-42-8
231-151-2
6
Carbon
7782-42-5
231-955-3
7
Nitrogen
7727-37-9
231-783-9
8
Oxygen
7782-44-7
231-956-9
9
Fluorine
7782-41-4
231-954-8
10
Neon
7440-01-9
231-110-9
11
Sodium
7440-23-5
231-132-9
12
Magnesium
7439-95-4
231-104-6
13
Aluminum
7429-90-5
231-072-3
14
Silicon
7440-21-3
231-130-8
15
Phosphorous
7723-14-0
231-768-7
16
Sulfur
7704-34-9
231-722-6
17
Chlorine
7782-50-5
231-959-5
18
Argon
7440-37-1
231-147-0
19
Potassium
7440-09-7
231-119-8
20
Calcium
7440-70-2
231-179-5
21
Scandium
7440-20-2
231-129-2
22
Titanium
7440-32-6
231-142-3
23
Vanadium
7440-62-2
231-171-1
24
Chromium
7440-47-3
231-157-5
25
Manganese
7439-96-5
231-105-1
26
Iron
7439-89-6
231-096-4
27
Cobalt
7440-48-4
231-158-0
28
Nickel
7440-02-0
231-111-4
29
Copper
7440-50-8
231-159-6
30
Zinc
7440-66-6
231-175-3
31
Gallium
7440-55-3
231-163-8
32
Germanium
7440-56-4
231-164-3
33
Arsenic
7440-38-2
231-148-6
34
Selenium
7782-49-2
231-957-4
35
Bromine
7726-95-6
231-778-1
36
Krypton
7439-90-9
231-098-5
37
Rubidium
7440-17-7
231-126-6
38
Strontium
7440-24-6
231-133-4
39
Yttrium
7440-65-5
231-174-8
40
Zirconium
7440-67-7
231-176-9
41
Niobium
7440-03-1
231-113-5
42
Molybdenum
7439-98-7
231-107-2
43
Technetium
7440-26-8
231-136-0
44
Ruthenium
7440-18-8
231-127-1
45
Rhodium
7440-16-6
231-125-0
46
Palladium
7440-05-3
231-115-6
47
Silver
7440-22-4
231-131-3
48
Cadmium
7440-43-9
231-152-8
49
Indium
7440-74-6
231-180-0
50
Tin
7440-31-5
231-141-8
51
Antimony
7440-36-0
231-146-5
52
Tellurium
13494-80-9
236-813-4
53
Iodine
7553-56-2
231-442-4
54
Xenon
7440-63-3
231-172-7
55
Cesium
7440-46-2
231-155-4
56
Barium
7440-39-3
231-149-1
57
Lanthanum
7439-91-0
231-099-0
58
Cerium
7440-45-1
231-154-9
59
Praseodymium
7440-10-0
231-120-3
60
Neodymium
7440-00-8
231-109-3
61
Promethium
7440-12-2
231-121-9
62
Samarium
7440-19-9
231-128-7
63
Europium
7440-53-1
231-161-7
64
Gadolinium
7440-54-2
231-162-2
65
Terbium
7440-27-9
231-137-6
66
Dysprosium
7429-91-6
231-073-9
67
Holmium
7440-60-0
231-169-0
68
Erbium
7440-52-0
231-160-1
69
Thulium
7440-30-4
231-140-2
70
Ytterbium
7440-64-4
231-173-2
71
Lutetium
7439-94-3
231-103-0
72
Hafnium
7440-58-6
231-166-4
73
Tantalum
7440-25-7
231-135-5
74
Tungsten
7440-33-7
231-143-9
75
Rhenium
7440-15-5
231-124-5
76
Osmium
7440-04-2
231-114-0
77
Iridium
7439-88-5
231-095-9
78
Platinum
7440-06-4
231-116-1
79
Gold
7440-57-5
231-165-9
80
Mercury
7439-97-6
231-106-7
81
Thallium
82870-81-3
231-138-1
82
Lead
7439-92-1
231-100-4
83
Bismuth
7440-69-9
231-177-4
84
Polonium
7440-08-6
231-118-2
85
Astatine
7440-68-8
-
86
Radon
10043-92-2
-
87
Francium
7440-73-5
-
88
Radium
7440-14-4
-
89
Actinium
7440-34-8
-
90
Thorium
7440-29-1
231-139-7
91
Protactinium
7440-13-3
-
92
Uranium
7440-12-2
231-170-6
93
Neptunium
7439-99-8
231-108-8
94
Plutonium
7440-07-5
231-117-7
95
Americium
7440-35-9
231-144-4
96
Curium
7440-51-9
-
97
Berkelium
7440-40-6
-
98
Californium
7440-71-3
-
99
Einsteinium
7429-92-7
-
100
Fermium
7440-72-4
-
101
Mendelevium
7440-11-1
-
102
Nobelium
10028-14-5
-
103
Lawrencium
22537-19-5
-
104
Rutherfordium
53850-36-5
-
105
Dubnium
53850-35-4
-
106
Seaborgium
54038-81-2
-
107
Bohrium
54037-14-8
-
108
Hassium
54037-57-9
-
109
Meitnerium
54038-01-6
-
110
Darmstadtium
54083-77-1
-
111
Roentgenium
54386-24-2
-
112
Copernicium
54084-26-3
-
113
Nihonium
54084-70-7
-
114
Flerovium
54085-16-4
-
115
Moscovium
54085-64-2
-
116
Livermorium
54100-71-9
-
117
Tennessine
87658-56-8
-
118
Oganesson
54144-19-3
-