5891-63-4 Usage
Derivative of
naphthol
Contains
an acetyl group and a methoxy group
Positions of groups
acetyl group at the 1 position, methoxy group at the 4 position
Common use
intermediate in the synthesis of various organic compounds
Additional use
pH indicator in analytical chemistry
Toxicity
mild to moderate
Safety precautions
handle with care, avoid skin, eye, and respiratory system irritation
Check Digit Verification of cas no
The CAS Registry Mumber 5891-63-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,8,9 and 1 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 5891-63:
(6*5)+(5*8)+(4*9)+(3*1)+(2*6)+(1*3)=124
124 % 10 = 4
So 5891-63-4 is a valid CAS Registry Number.