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8b-phenyl-3-p-tolyl-8bH-benzo[3,4]azeto[1,2-d][1,2,4]oxadiazole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

57750-30-8

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57750-30-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57750-30-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,7,5 and 0 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 57750-30:
(7*5)+(6*7)+(5*7)+(4*5)+(3*0)+(2*3)+(1*0)=138
138 % 10 = 8
So 57750-30-8 is a valid CAS Registry Number.

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