3-(4-nitro-phenyl)-2,5,7-triphenyl-2,3,5,7a-tetrahydro-[1,2,3]diazarsolo[3,4-d][1,2,4]oxazarsole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 71475-56-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,4,7 and 5 respectively; the second part has 2 digits, 5 and 6 respectively. Calculate Digit Verification of CAS Registry Number 71475-56: (7*7)+(6*1)+(5*4)+(4*7)+(3*5)+(2*5)+(1*6)=134 134 % 10 = 4 So 71475-56-4 is a valid CAS Registry Number.