811849-57-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 811849-57-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,1,1,8,4 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 811849-57:
(8*8)+(7*1)+(6*1)+(5*8)+(4*4)+(3*9)+(2*5)+(1*7)=177
177 % 10 = 7
So 811849-57-7 is a valid CAS Registry Number.
811849-57-7Relevant articles and documents
A new synthesis of 1,2,3,5-tetrahydroimidazo[2,3-b]-[1,3]benzodiazocines
Cho, Hyun In,Lee, Seung Won,Lee, Kee-Jung
, p. 799 - 802 (2007/10/03)
A new synthesis of 6-carbomethoxy-1,2,3,5-tetrahydroimidazo[2,3-b][1,3] benzodiazocines 13 by the intramolecular cycloaddition reaction of methyl 2-(1-aziridinylmethyl)-3-(2-ureidophenyl)propenoates 10 under Appel's dehydration conditions is described. Th