C.I. Vat Orange 13, also known as Pigment Orange 34, is a synthetic organic pigment used in various applications such as printing inks, paints, and plastics. It is characterized by its bright orange hue and excellent lightfastness, making it suitable for colorants in industrial settings. The chemical structure of C.I. Vat Orange 13 is based on a benzothiazole derivative, which contributes to its color and stability. It is important to note that while it is widely used for its color properties, safety precautions should be taken during handling due to potential health and environmental concerns associated with some azo pigments.
The CAS Registry Mumber 6617-38-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,6,1 and 7 respectively; the second part has 2 digits, 3 and 8 respectively. Calculate Digit Verification of CAS Registry Number 6617-38: (6*6)+(5*6)+(4*1)+(3*7)+(2*3)+(1*8)=105 105 % 10 = 5 So 6617-38-5 is a valid CAS Registry Number.