20908-72-9 Usage
General Description
Ferrous sulfate tetrahydrate, also known as iron(II) sulfate tetrahydrate, is a chemical compound consisting of iron, oxygen, sulfur, and water. It is a blue-green crystalline solid that is commonly used as a dietary supplement to treat iron deficiency anemia. It is also used as a mordant in dyeing and as a coagulant in water treatment. In addition, ferrous sulfate tetrahydrate is used in the production of iron pigments, fertilizers, and in the manufacturing of other iron compounds. However, it is important to handle ferrous sulfate tetrahydrate with caution as it is corrosive and can cause irritation to the skin, eyes, and respiratory system.
Check Digit Verification of cas no
The CAS Registry Mumber 20908-72-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,9,0 and 8 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 20908-72:
(7*2)+(6*0)+(5*9)+(4*0)+(3*8)+(2*7)+(1*2)=99
99 % 10 = 9
So 20908-72-9 is a valid CAS Registry Number.
InChI:InChI=1/Fe.H2O4S.4H2O/c;1-5(2,3)4;;;;/h;(H2,1,2,3,4);4*1H2/q+2;;;;;/p-2
