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1257226-20-2

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1257226-20-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1257226-20-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,7,2,2 and 6 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1257226-20:
(9*1)+(8*2)+(7*5)+(6*7)+(5*2)+(4*2)+(3*6)+(2*2)+(1*0)=142
142 % 10 = 2
So 1257226-20-2 is a valid CAS Registry Number.

1257226-20-2Downstream Products

1257226-20-2Relevant articles and documents

Deoxygenation of diarylmethanols with dilute mineral acid

Hope-Ross, Kyle A.,Kadla, John F.

, p. 1003 - 1008 (2011/02/16)

A new mild and efficient method for the deoxygenation of diarylmethanols is reported. The reaction employs catalytic hydrochloric acid in ethanol at reflux for 48 h. This reaction works on a variety of diarylmethanol substrates and mitigates the need for expensive and toxic reagents such stannanes and silanes used in alternative procedures. In addition, this reaction can be used in tandem with the deprotection of acid-sensitive silyl ether protecting groups in a one-pot procedure.

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