(1aR*,7aR*,7bS*)-1,1a,2,3,4,7,7a,7b-octahydro-3,3,5,7b-tetramethyl-6H-cyclopropazulen-6-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 107770-63-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,7,7 and 0 respectively; the second part has 2 digits, 6 and 3 respectively. Calculate Digit Verification of CAS Registry Number 107770-63: (8*1)+(7*0)+(6*7)+(5*7)+(4*7)+(3*0)+(2*6)+(1*3)=128 128 % 10 = 8 So 107770-63-8 is a valid CAS Registry Number.