1338056-89-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1338056-89-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,8,0,5 and 6 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1338056-89:
(9*1)+(8*3)+(7*3)+(6*8)+(5*0)+(4*5)+(3*6)+(2*8)+(1*9)=165
165 % 10 = 5
So 1338056-89-5 is a valid CAS Registry Number.
1338056-89-5Relevant articles and documents
Synthesis and hydrolytic kinetic study of some antihypertensive co-drugs
Baidya, Mayukh,Das, Amit Kumar
, p. 343 - 346 (2013/09/24)
Alpha-naphthol was reacted with epichlorohydrin to get epoxynaphthol which was further reacted with ethyl ester of different amino acids to yield analogs of propranolol. The analogs of propranolol then were esterified with succinic anhydride and finally m
