31675-34-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31675-34-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,6,7 and 5 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 31675-34:
(7*3)+(6*1)+(5*6)+(4*7)+(3*5)+(2*3)+(1*4)=110
110 % 10 = 0
So 31675-34-0 is a valid CAS Registry Number.
31675-34-0Relevant articles and documents
Annulations Using Phosphonium Salts and Enolate Anions - A Direct Route to Naphthalenes
Kraus, George A.,Choudhury, Prabir K.
, p. 97 - 98 (2004)
Ketone enolates react with an aldehyde phosphonium salt to produce naphthalenes in a one-pot reaction.