(2S)-9'a-hydroxy-2',2'-dimethyl-5,3'-dioxo-4c-(4-oxo-4H-quinazolin-3-yl)-(2rC8'a,9'rO,9'aξ)-4,5,1',2',3',9'a-hexahydro-3H-spiro[furan-2,9'-imidazo[1,2-a]indole]-1'-carboxylic acid 4-methoxy-benzyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 72144-97-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,1,4 and 4 respectively; the second part has 2 digits, 9 and 7 respectively. Calculate Digit Verification of CAS Registry Number 72144-97: (7*7)+(6*2)+(5*1)+(4*4)+(3*4)+(2*9)+(1*7)=119 119 % 10 = 9 So 72144-97-9 is a valid CAS Registry Number.
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