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1394138-33-0

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1394138-33-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1394138-33-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,4,1,3 and 8 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1394138-33:
(9*1)+(8*3)+(7*9)+(6*4)+(5*1)+(4*3)+(3*8)+(2*3)+(1*3)=170
170 % 10 = 0
So 1394138-33-0 is a valid CAS Registry Number.

1394138-33-0Relevant articles and documents

A very practical and selective method for PMB protection of alcohols

Chavan, Subhash P.,Harale, Kishor R.

experimental part, p. 4683 - 4686 (2012/09/05)

A very simple, practical and efficient one-step heterogeneous protocol for the PMB protection of alcohols using Amberlyst-15 has been developed. The stability and hazard issues regarding PMBCl and PMBBr are totally avoided by directly using anisyl alcohol for the protection. Alcohols are protected in very good yields. The selective mono-PMB protection of diols as well as di-PMB protection of diols was achieved in good yields, along with the demonstration of recyclability of the catalyst.

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