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(2R,3R,4S,5aR,7R,9aR)-7-Bromo-2-bromomethyl-6,6,9a-trimethyl-4-(4-nitro-benzoyloxy)-decahydro-benzo[b]oxepine-3-carboxylic acid tert-butyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

83289-30-9

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83289-30-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83289-30-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,2,8 and 9 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 83289-30:
(7*8)+(6*3)+(5*2)+(4*8)+(3*9)+(2*3)+(1*0)=149
149 % 10 = 9
So 83289-30-9 is a valid CAS Registry Number.

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