1R,2S,4R,7R,9R-3,5,8,10,12-pentaoxa-4-thia-11-dimethyl-tricyclo[7,3,0,02,7]-dodecane S-oxide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 214272-22-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,4,2,7 and 2 respectively; the second part has 2 digits, 2 and 2 respectively. Calculate Digit Verification of CAS Registry Number 214272-22: (8*2)+(7*1)+(6*4)+(5*2)+(4*7)+(3*2)+(2*2)+(1*2)=97 97 % 10 = 7 So 214272-22-7 is a valid CAS Registry Number.