1303-39-5 Usage
Safety Profile
Confirmed human
carcinogen. A poison. When heated to
decomposition it emits toxic fumes of As
and ZnO. See also ARSENIC
COMPOUNDS and ZINC COMPOUNDS.
Check Digit Verification of cas no
The CAS Registry Mumber 1303-39-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,3,0 and 3 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1303-39:
(6*1)+(5*3)+(4*0)+(3*3)+(2*3)+(1*9)=45
45 % 10 = 5
So 1303-39-5 is a valid CAS Registry Number.
InChI:InChI=1/AsH3O4.Zn/c2-1(3,4)5;/h(H3,2,3,4,5);/q;+2/p-2