130993-48-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 130993-48-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,9,9 and 3 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 130993-48:
(8*1)+(7*3)+(6*0)+(5*9)+(4*9)+(3*3)+(2*4)+(1*8)=135
135 % 10 = 5
So 130993-48-5 is a valid CAS Registry Number.
130993-48-5Relevant articles and documents
Synthesis of (1',2'-trans)-3-phenyl-1-[2'-(N-pyrrolidinyl)cyclohexyl]pyrrolid-2- ones as κ-selective opiates
Cheng,Lu,Lee,Tam
, p. 758 - 762 (2007/10/02)
(1',2'-trans)-3-Phenyl-1-[2'-(N-pyrrolidinyl)cyclohexyl]pyrrolid-2- ones (1 and 2) and their 3,4-dichlorophenyl analogues (4 and 5) were synthesized as lactam analogues of U-50,488 (I; a κ-opiate analgesic developed by Upjohn Company). Compounds 1 and 2 w
