1',3'-diethyl-5'-phenyl-(3'ac,6'ac,7'antiO)-1',3',3'a,6'a-tetrahydro-spiro[isobenzofuran-1,7'-(1r,3c-methano-furo[3,4-c]pyrrole)]-3,4',6'-trione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 63688-91-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,6,8 and 8 respectively; the second part has 2 digits, 9 and 1 respectively. Calculate Digit Verification of CAS Registry Number 63688-91: (7*6)+(6*3)+(5*6)+(4*8)+(3*8)+(2*9)+(1*1)=165 165 % 10 = 5 So 63688-91-5 is a valid CAS Registry Number.
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