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1-(1-Acetyl-1H-indol-3-yl)-5-phenyl-6-oxa-4-aza-spiro[2.4]hept-4-en-7-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

74453-44-4

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74453-44-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74453-44-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,4,5 and 3 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 74453-44:
(7*7)+(6*4)+(5*4)+(4*5)+(3*3)+(2*4)+(1*4)=134
134 % 10 = 4
So 74453-44-4 is a valid CAS Registry Number.

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