(Z)-2-Methyl-but-2-enoic acid (2aS,5aS,7S,7aS,9R,10bS,10cR)-2a,4,4,7,10-pentamethyl-2-oxo-7,10c-bis-trimethylsilanyloxy-2,2a,5a,6,7,7a,8,9,10b,10c-decahydro-1,3,5-trioxa-benzo[cd]cyclopenta[h]azulen-9-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 663606-06-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,3,6,0 and 6 respectively; the second part has 2 digits, 0 and 6 respectively. Calculate Digit Verification of CAS Registry Number 663606-06: (8*6)+(7*6)+(6*3)+(5*6)+(4*0)+(3*6)+(2*0)+(1*6)=162 162 % 10 = 2 So 663606-06-2 is a valid CAS Registry Number.
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