2,4,8,10-Tetramethyl-2,4,8,10-tetraphenyl-1,3,5,7,9,11-hexaoxa-2,4,6,8,10-pentasila-spiro[5.5]undecane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 40276-25-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,2,7 and 6 respectively; the second part has 2 digits, 2 and 5 respectively. Calculate Digit Verification of CAS Registry Number 40276-25: (7*4)+(6*0)+(5*2)+(4*7)+(3*6)+(2*2)+(1*5)=93 93 % 10 = 3 So 40276-25-3 is a valid CAS Registry Number.