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34875-71-3

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34875-71-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 34875-71-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,8,7 and 5 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 34875-71:
(7*3)+(6*4)+(5*8)+(4*7)+(3*5)+(2*7)+(1*1)=143
143 % 10 = 3
So 34875-71-3 is a valid CAS Registry Number.

34875-71-3Relevant articles and documents

BuLi-triggered phospha-Brook rearrangement: Efficient synthesis of organophosphates from ketones and aldehydes

Pallikonda, Gangaram,Santosh, Ranga,Ghosal, Subhas,Chakravarty, Manab

, p. 3796 - 3798 (2015/06/08)

A variety of organophosphates are synthesized from n-BuLi-triggered, (additional) solvent-free reactions of diethyl phosphite with both activated/unactivated ketones and aldehydes preferably at room temperature via phospha-Brook rearrangement. We could successfully synthesize the naphthylic/allylic phosphates using this approach.

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