6-acetyl-2,2,8,8-tetramethyl-3,4,9,10-tetrahydro-2H,8H-benzo<1,2-b:3,4-b'>dipyran is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 78968-62-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,9,6 and 8 respectively; the second part has 2 digits, 6 and 2 respectively. Calculate Digit Verification of CAS Registry Number 78968-62: (7*7)+(6*8)+(5*9)+(4*6)+(3*8)+(2*6)+(1*2)=204 204 % 10 = 4 So 78968-62-4 is a valid CAS Registry Number.