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1010128-92-3

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1010128-92-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1010128-92-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,0,1,2 and 8 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1010128-92:
(9*1)+(8*0)+(7*1)+(6*0)+(5*1)+(4*2)+(3*8)+(2*9)+(1*2)=73
73 % 10 = 3
So 1010128-92-3 is a valid CAS Registry Number.

1010128-92-3Relevant articles and documents

Phosphinamide-directed benzylic lithiation. application to the synthesis of peptide building blocks

Burgos, Pascual Ona,Fernandez, Ignacio,Iglesias, Maria Jose,Garcia-Granda, Santiago,Ortiz, Fernando Lopez

, p. 537 - 540 (2008)

N-Benzyldiphenylphosphinamides are deprotonated at the NCα position diastereospecifically upon treatment with f-BuLi in diethyl ether at low temperature. The reaction of the anions with alkyl, acyl, and tin halides, aliphatic and aromatic aldehydes, and Michael acceptors allowed installation of a variety of functional groups into the benzylic arm in excellent yields. Cleavage of the P-N linkage affords 1,2-amino alcohols and α-, β-, and γ-amino acids.

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