99027-40-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99027-40-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,0,2 and 7 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 99027-40:
(7*9)+(6*9)+(5*0)+(4*2)+(3*7)+(2*4)+(1*0)=154
154 % 10 = 4
So 99027-40-4 is a valid CAS Registry Number.
99027-40-4Relevant articles and documents
THE REACTIONS OF ISOTHIAZOLIUM SALTS WITH NITROGEN NUCLEOPHILIC REAGENTS
Hassan, Mohamed E.,Magraby, M. A.,Aziz, Magda A.
, p. 1885 - 1892 (1985)
Isothiazolium salts were allowed to react with a number of nitrogen nucleophiles including ammonia, hydrazine, phenylhydrazine, hydroxylamine, and benzylamine.The products obtained suggest that the position of initial nucleophilic attack is at the sulphur
