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(+/-)-erythro-α-iodo-α'-nitro-bibenzyl is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

20429-47-4

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20429-47-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20429-47-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,4,2 and 9 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 20429-47:
(7*2)+(6*0)+(5*4)+(4*2)+(3*9)+(2*4)+(1*7)=84
84 % 10 = 4
So 20429-47-4 is a valid CAS Registry Number.

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