(1SR,2SR,6SR,7RS,9SR)-7-(hydroxymethyl)-4,4,11,11-tetramethyl-3,5,10,12-tetraoxatricyclo<7.3.0.02,6>dodecane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 90626-74-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,6,2 and 6 respectively; the second part has 2 digits, 7 and 4 respectively. Calculate Digit Verification of CAS Registry Number 90626-74: (7*9)+(6*0)+(5*6)+(4*2)+(3*6)+(2*7)+(1*4)=137 137 % 10 = 7 So 90626-74-7 is a valid CAS Registry Number.