3,5,10,12,17,19,24,26-octakis(diphenoxyphosphinyloxy)-1,8,15,22-tetramethyl<14>metacyclophane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 134430-75-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,4,3 and 0 respectively; the second part has 2 digits, 7 and 5 respectively. Calculate Digit Verification of CAS Registry Number 134430-75: (8*1)+(7*3)+(6*4)+(5*4)+(4*3)+(3*0)+(2*7)+(1*5)=104 104 % 10 = 4 So 134430-75-4 is a valid CAS Registry Number.