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1620172-54-4

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1620172-54-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1620172-54-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,0,1,7 and 2 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1620172-54:
(9*1)+(8*6)+(7*2)+(6*0)+(5*1)+(4*7)+(3*2)+(2*5)+(1*4)=124
124 % 10 = 4
So 1620172-54-4 is a valid CAS Registry Number.

1620172-54-4Downstream Products

1620172-54-4Relevant academic research and scientific papers

A very mild and selective method for O-benzoylation of hydroxamic acids

Zheng, Yongsheng,Liu, Muqiong,Yuan, Yu

, p. 4404 - 4406 (2014)

Selective O-benzoylation of hydroxamic acids is achieved by the treatment of BPO and DABCO. Aliphatic alcohols are not reactive under these conditions. Various radical or oxidation sensitive functional groups are compatible with this protocol, and no anhydrous reagents or solvents are required for the high yields of the benzoylations.

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