140195-81-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 140195-81-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,1,9 and 5 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 140195-81:
(8*1)+(7*4)+(6*0)+(5*1)+(4*9)+(3*5)+(2*8)+(1*1)=109
109 % 10 = 9
So 140195-81-9 is a valid CAS Registry Number.
140195-81-9Relevant articles and documents
ALKYLATION OF AZAGLYCINE AMIDE CONTAINING PEPTIDES
Talaga, Patrice,Koenig, Wolfgang
, p. 609 - 610 (2007/10/02)
Azaglycine dipeptides are alkylated at the amide nitrogen with alcohols under mild conditions by using the redox condensation system triphenylphosphine / diethyl azodicarboxylate.
