1261978-81-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1261978-81-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,1,9,7 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1261978-81:
(9*1)+(8*2)+(7*6)+(6*1)+(5*9)+(4*7)+(3*8)+(2*8)+(1*1)=187
187 % 10 = 7
So 1261978-81-7 is a valid CAS Registry Number.
1261978-81-7Relevant articles and documents
Green synthesis of poly(aminomethylenephosphonic) acids
Villemin, Didier,Moreau, Bernard,Elbilali, Abdelghani,Didi, Mohamed-Amine,Kaid, Mhamed,Jaffres, Paul-Alain
, p. 2511 - 2519 (2010)
The reaction of polyamines with phosphorous acid and formaldehyde in water under focused microwave irradiation provides a facile and rapid synthesis of poly(aminomethylenephosphonic) acids. Taylor & Francis Group, LLC.
