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4,21-Bis-(2-methoxy-5-methyl-phenyl)-2,23-dimethyl-6,7,9,10,12,13,15,16,18,19-decahydro-5,8,11,14,17,20-hexaoxa-dibenzo[a,c]cycloeicosene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

71129-03-8

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71129-03-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71129-03-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,1,2 and 9 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 71129-03:
(7*7)+(6*1)+(5*1)+(4*2)+(3*9)+(2*0)+(1*3)=98
98 % 10 = 8
So 71129-03-8 is a valid CAS Registry Number.

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