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7-methyl-4-phenyl-4λ5-phosphindolizine-1,2,3,8a-tetracarboxylic acid tetramethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

69633-94-9

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69633-94-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 69633-94-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,6,3 and 3 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 69633-94:
(7*6)+(6*9)+(5*6)+(4*3)+(3*3)+(2*9)+(1*4)=169
169 % 10 = 9
So 69633-94-9 is a valid CAS Registry Number.

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