77774-07-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77774-07-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,7,7 and 4 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 77774-07:
(7*7)+(6*7)+(5*7)+(4*7)+(3*4)+(2*0)+(1*7)=173
173 % 10 = 3
So 77774-07-3 is a valid CAS Registry Number.
77774-07-3Relevant articles and documents
UNUSUAL REACTIVITY PATTERNS IN BIS-TRIPHENYLALKOXYPHOSPHONIUM SALTS
Ramos, Socorro,Rosen, William
, p. 35 - 38 (1981)
Alkoxyphosphonium triflates have been prepared and reacted with a number of nucleophiles.Only negatively charged nucleophiles initiate substitution reactions.Nucleophile association with the phosphorus entity, prior to nucleophilic displacement, is implied.