2-benzyl-5,6,8,8-tetramethyl-8λ5-[1,3,2]oxazaphospholo[2,3-b][1,3,4,2]oxadiazaphosphole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 55590-41-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,5,9 and 0 respectively; the second part has 2 digits, 4 and 1 respectively. Calculate Digit Verification of CAS Registry Number 55590-41: (7*5)+(6*5)+(5*5)+(4*9)+(3*0)+(2*4)+(1*1)=135 135 % 10 = 5 So 55590-41-5 is a valid CAS Registry Number.