78731-68-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78731-68-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,7,3 and 1 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 78731-68:
(7*7)+(6*8)+(5*7)+(4*3)+(3*1)+(2*6)+(1*8)=167
167 % 10 = 7
So 78731-68-7 is a valid CAS Registry Number.
78731-68-7Relevant articles and documents
ZUR REAKTION PRIMAERER AND SEKUNDAERER PHOSPHINE MIT AROMATISCHEN ALDEHYDEN UND ALKOHOLEN
Oehme, H.,Leissring, E.
, p. 753 - 759 (1981)
PH-Phosphines react with aromatic aldehydes in an alcohol under P-C-O-bond formation to give α-alcoxy benzylphosphines R2P-CH(Ph)-OR' or R-2 resp.In case of 4-dimethylaminobenzaldehyde or 2,4-dimethoxybenzaldehyde with diphenylphosphine or phe
