2,2,7-triphenyl-(3ar,10ac)-tetrahydro-[1,3]dioxolo[4,5-d][1,2,4]triazolo[1,2-a]pyridazine-6,8-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 42906-70-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,9,0 and 6 respectively; the second part has 2 digits, 7 and 0 respectively. Calculate Digit Verification of CAS Registry Number 42906-70: (7*4)+(6*2)+(5*9)+(4*0)+(3*6)+(2*7)+(1*0)=117 117 % 10 = 7 So 42906-70-7 is a valid CAS Registry Number.