1172610-27-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1172610-27-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,2,6,1 and 0 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1172610-27:
(9*1)+(8*1)+(7*7)+(6*2)+(5*6)+(4*1)+(3*0)+(2*2)+(1*7)=123
123 % 10 = 3
So 1172610-27-3 is a valid CAS Registry Number.
1172610-27-3Relevant articles and documents
Condensation of 1-(dicyanomethylene)acenaphthene-2-one with aromatic diamines
El-Shaieb, Kamal M.
experimental part, p. 1150 - 1155 (2009/12/04)
1-(Dicyanomethylene)acenaphthene-2-one (1) reacts with 1,8- diaminonaphthalene (2) to yield two products, identified as acenaphtho[1,2-b] naphtho[1,8-ef][1,4]diazepine (3) and (Z)-2-(8-aminonaphthalen-1-ylamino)-2-(2- oxoacenaphthylen-1(2H)-ylidene)aceton
