133550-91-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 133550-91-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,5,5 and 0 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 133550-91:
(8*1)+(7*3)+(6*3)+(5*5)+(4*5)+(3*0)+(2*9)+(1*1)=111
111 % 10 = 1
So 133550-91-1 is a valid CAS Registry Number.
InChI:InChI=1/C17H12O/c18-10-12-9-8-11-4-3-7-15-13-5-1-2-6-14(13)17(12)16(11)15/h1-9,18H,10H2
133550-91-1Relevant articles and documents
Carbocyclic derivatives
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, (2008/06/13)
The present invention relates to compounds of formula (I) or a monomethyl or monoethyl ether thereof (the compound of formula (I) including these ethers may contain no more than 30 carbon atoms in total); ethers, esters, thereof; acid addition salts there