131119-53-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131119-53-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,1,1 and 9 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 131119-53:
(8*1)+(7*3)+(6*1)+(5*1)+(4*1)+(3*9)+(2*5)+(1*3)=84
84 % 10 = 4
So 131119-53-4 is a valid CAS Registry Number.
131119-53-4Relevant articles and documents
Selective Cleavage of N-Acylated N,O-Acetals with RCu-BF3. Synthesis of Cyclic α-Alkylated Amides and Carbamates
Ludwig, Catarina,Wistrand, Lars-G.
, p. 707 - 710 (2007/10/02)
Cyclic α-methoxylated amides and carbamates are selectively cleaved with RCu-BF3 to give α-alkylated amides and carbamates.Substrates containing a chiral auxiliary (1d and 3d) gave low ( 10percent) degrees of asymmetric induction.