1,4-Naphthalenedione, 2-chloro-7-methyl-, also known as 2-chloro-7-methyl-1,4-naphthoquinone, is an organic compound with the chemical formula C11H7ClO2. It is a derivative of 1,4-naphthoquinone, featuring a chlorine atom at the 2-position and a methyl group at the 7-position. This yellow crystalline solid is used as an intermediate in the synthesis of various dyes, pharmaceuticals, and agrochemicals. Due to its reactivity, it is important to handle 1,4-Naphthalenedione, 2-chloro-7-methyl- with care, as it may have potential health and environmental impacts.
The CAS Registry Mumber 87170-61-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,1,7 and 0 respectively; the second part has 2 digits, 6 and 1 respectively. Calculate Digit Verification of CAS Registry Number 87170-61: (7*8)+(6*7)+(5*1)+(4*7)+(3*0)+(2*6)+(1*1)=144 144 % 10 = 4 So 87170-61-4 is a valid CAS Registry Number.