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8c,15-diphenyl-(8cr,8dt,13at)-8d,12,13,13a-tetrahydro-8cH-dibenzo[4',5';6',7']indeno[1',2':4,5]furo[3,2-b]azepine-9-carboxylic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

57969-54-7

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57969-54-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57969-54-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,9,6 and 9 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 57969-54:
(7*5)+(6*7)+(5*9)+(4*6)+(3*9)+(2*5)+(1*4)=187
187 % 10 = 7
So 57969-54-7 is a valid CAS Registry Number.

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