18903-26-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18903-26-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,9,0 and 3 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 18903-26:
(7*1)+(6*8)+(5*9)+(4*0)+(3*3)+(2*2)+(1*6)=119
119 % 10 = 9
So 18903-26-9 is a valid CAS Registry Number.
18903-26-9Relevant articles and documents
THIAZOLIOPYRIMIDINES AND THEIR USE AS INHIBITORS OF PHOSPHATIDYLINOSITOL-3 KINASE
-
, (2009/01/24)
Thiazolopyrimidines of formula (I): wherein W represents a thiazole ring; R1 and R2 form, together with the N atom to which they are attached, a group of the following formula (IIa): in which A is a ring system; m is 0, 1 or 2; Rsup