3564-21-4 Usage
General Description
Disodium 4-[(5-chloro-4-methyl-2-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate is a synthetic dye often used in the food and pharmaceutical industries. It is commonly found in products such as beverages, candies, and medications. The compound is known for its bright red or orange color, making it a popular choice for adding color to various products. However, there has been some controversy surrounding the safety of this chemical, with some studies suggesting potential health risks associated with its consumption. As a result, there have been efforts to restrict its use in certain products and industries.
Check Digit Verification of cas no
The CAS Registry Mumber 3564-21-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,5,6 and 4 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 3564-21:
(6*3)+(5*5)+(4*6)+(3*4)+(2*2)+(1*1)=84
84 % 10 = 4
So 3564-21-4 is a valid CAS Registry Number.
InChI:InChI=1/C18H13ClN2O6S.2Na/c1-9-6-15(28(25,26)27)14(8-13(9)19)20-21-16-11-5-3-2-4-10(11)7-12(17(16)22)18(23)24;;/h2-8,22H,1H3,(H,23,24)(H,25,26,27);;/q;2*+1/p-2
