5-(dimethylamino-phenyl-methyl)-2,2,3,3,7,7,8,8-octamethyl-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 61890-58-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,8,9 and 0 respectively; the second part has 2 digits, 5 and 8 respectively. Calculate Digit Verification of CAS Registry Number 61890-58: (7*6)+(6*1)+(5*8)+(4*9)+(3*0)+(2*5)+(1*8)=142 142 % 10 = 2 So 61890-58-2 is a valid CAS Registry Number.