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1303-39-5

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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

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