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3,4-di-O-benzyl-6,7-didehydro-6,7-dideoxy-7-C-isopropyl-2-O-methyl-β-D-gulono-1,5-lactone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

142929-71-3

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142929-71-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 142929-71-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,9,2 and 9 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 142929-71:
(8*1)+(7*4)+(6*2)+(5*9)+(4*2)+(3*9)+(2*7)+(1*1)=143
143 % 10 = 3
So 142929-71-3 is a valid CAS Registry Number.

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