199853-67-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 199853-67-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,9,8,5 and 3 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 199853-67:
(8*1)+(7*9)+(6*9)+(5*8)+(4*5)+(3*3)+(2*6)+(1*7)=213
213 % 10 = 3
So 199853-67-3 is a valid CAS Registry Number.
199853-67-3Relevant articles and documents
Asymmetric synthesis of (R)-6-amino-1-methyl-4-(3-methyl- benzyl)hexahydro-1H-1,4-diazepine from L-asparagine
Kato,Harada,Morie
, p. 1469 - 1478 (2007/10/03)
An efficient asymmetric synthesis of (R)-6-amino-1-methyl-4-(3- methylbenzyl)hexahydro-1H-1,4-diazepine [(R)-2] which serves as the amine part of (R)-1, a potent and selective 5-HT3 receptor antagonist, is described. Formation of the hexahydro-
