113727-23-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 113727-23-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,3,7,2 and 7 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 113727-23:
(8*1)+(7*1)+(6*3)+(5*7)+(4*2)+(3*7)+(2*2)+(1*3)=104
104 % 10 = 4
So 113727-23-4 is a valid CAS Registry Number.
113727-23-4Relevant articles and documents
Studies on the Synthesis of Mitomycins, 5. - A New Route to Mitosanes
Flitsch, Wilhelm,Langer, Werner
, p. 391 - 396 (2007/10/02)
The mitosanes 14 have been obtained from the aldehyde 7d in a total yield of 12percent (14a) and 10percent (14b), respectively.A modified synthesis of the starting material 7d (38percent yield) from 2-methylresorcinol (5a) is described.