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6,6,7,7-tetramethyl-4-phenyl-6,7-dihydro-5H-4λ5-phospholo[1,2-a]phosphole-1,2,3,7a-tetracarboxylic acid tetramethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

28598-38-1

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28598-38-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28598-38-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,5,9 and 8 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 28598-38:
(7*2)+(6*8)+(5*5)+(4*9)+(3*8)+(2*3)+(1*8)=161
161 % 10 = 1
So 28598-38-1 is a valid CAS Registry Number.

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