2,2,3,3,7,7,8,8-Octamethyl-5-phenoxy-1,4,6,9-tetraoxa-5λ5-phospha-spiro[4.4]nonane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 57301-52-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,3,0 and 1 respectively; the second part has 2 digits, 5 and 2 respectively. Calculate Digit Verification of CAS Registry Number 57301-52: (7*5)+(6*7)+(5*3)+(4*0)+(3*1)+(2*5)+(1*2)=107 107 % 10 = 7 So 57301-52-7 is a valid CAS Registry Number.