(1R,7R,9R,10R,11S)-tert-butyl 3,10,11-trihydroxy-9,11-dimethylbicyclo<5.4.0>undeca-3,5-diene-4-carboxylate 10,11-acetonide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 82769-98-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,7,6 and 9 respectively; the second part has 2 digits, 9 and 8 respectively. Calculate Digit Verification of CAS Registry Number 82769-98: (7*8)+(6*2)+(5*7)+(4*6)+(3*9)+(2*9)+(1*8)=180 180 % 10 = 0 So 82769-98-0 is a valid CAS Registry Number.