12713-03-0 Usage
General Description
Umber is a naturally occurring pigment that consists of iron oxide and manganese oxide. It is typically a brown or reddish-brown color and has been used as a pigment for thousands of years. Natural deposits of umber can be found in various parts of the world, including Italy, Cyprus, and Turkey. The color of umber can vary depending on the specific geological conditions in which it forms, but it is generally considered to be an earthy and warm shade. Umber has been used in painting, pottery, and other artistic applications, as well as in the production of cosmetics and dyes.
Check Digit Verification of cas no
The CAS Registry Mumber 12713-03-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,7,1 and 3 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 12713-03:
(7*1)+(6*2)+(5*7)+(4*1)+(3*3)+(2*0)+(1*3)=70
70 % 10 = 0
So 12713-03-0 is a valid CAS Registry Number.