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7b-phenyl-(4ar,7ac,7bξ)-tetrahydro-furo[3',2':3,4]azeto[2,1-b]oxazol-3-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

57764-68-8

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57764-68-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57764-68-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,7,6 and 4 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 57764-68:
(7*5)+(6*7)+(5*7)+(4*6)+(3*4)+(2*6)+(1*8)=168
168 % 10 = 8
So 57764-68-8 is a valid CAS Registry Number.
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