Spiro[3H-indole-3,6'(4'aH)-[1H]pyrano[3,4-f]- indolizine]-4'-carboxylic acid,1,2,5',5'a,7',8',10',10'a-octahydro-1'- methyl-2-oxo-,methyl ester,(1'R,3R,4'aS,5'aR,10'aS)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 17507-92-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,5,0 and 7 respectively; the second part has 2 digits, 9 and 2 respectively. Calculate Digit Verification of CAS Registry Number 17507-92: (7*1)+(6*7)+(5*5)+(4*0)+(3*7)+(2*9)+(1*2)=115 115 % 10 = 5 So 17507-92-5 is a valid CAS Registry Number.
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