2-hydroxy-4-(methoxymethyl)-5-chlorobenzaldehyde is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 145629-19-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,5,6,2 and 9 respectively; the second part has 2 digits, 1 and 9 respectively. Calculate Digit Verification of CAS Registry Number 145629-19: (8*1)+(7*4)+(6*5)+(5*6)+(4*2)+(3*9)+(2*1)+(1*9)=142 142 % 10 = 2 So 145629-19-2 is a valid CAS Registry Number.