Methanone, hydrazinylphenyl-, one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 303109-23-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,3,1,0 and 9 respectively; the second part has 2 digits, 2 and 3 respectively. Calculate Digit Verification of CAS Registry Number 303109-23: (8*3)+(7*0)+(6*3)+(5*1)+(4*0)+(3*9)+(2*2)+(1*3)=81 81 % 10 = 1 So 303109-23-1 is a valid CAS Registry Number.