139527-05-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139527-05-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,5,2 and 7 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 139527-05:
(8*1)+(7*3)+(6*9)+(5*5)+(4*2)+(3*7)+(2*0)+(1*5)=142
142 % 10 = 2
So 139527-05-2 is a valid CAS Registry Number.
139527-05-2Relevant articles and documents
Uncatalyzed conjugate additions of diorganozincs in N- methylpyrrolidinone
Reddy, Ch. Kishan,Devasagayaraj,Knochel
, p. 4495 - 4498 (1996)
Diorganozincs efficiently add to enones, unsaturated nitriles and nitroolefins in a mixture of THF and NMP furnishing the corresponding Michael adducts in good to excellent yields.
