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1105712-44-4

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1105712-44-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1105712-44-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,0,5,7,1 and 2 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1105712-44:
(9*1)+(8*1)+(7*0)+(6*5)+(5*7)+(4*1)+(3*2)+(2*4)+(1*4)=104
104 % 10 = 4
So 1105712-44-4 is a valid CAS Registry Number.

1105712-44-4Downstream Products

1105712-44-4Relevant articles and documents

Triphenylphosphoranylidene substituted heterocycles as versatile intermediates

Katritzky, Alan R.,Vincek, Adam S.,Steel, Peter J.

experimental part, p. 1401 - 1423 (2009/07/17)

N-Cbz-(α-aminoacyl)benzotriazoles 5a-e reacted with (stabilized-methylene)triphenylphosphoranes 6 and 13 to give the corresponding esters 7a-e (66-91%) or nitriles 14a-e (63-85%). Deprotection of N-Cbz-γ-amino-β-oxo-α-triphenylphosphoranylidene esters 7a-

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