142560-02-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142560-02-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,5,6 and 0 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 142560-02:
(8*1)+(7*4)+(6*2)+(5*5)+(4*6)+(3*0)+(2*0)+(1*2)=99
99 % 10 = 9
So 142560-02-9 is a valid CAS Registry Number.
142560-02-9Relevant articles and documents
Facile synthesis of 9H-s-triazolo- [3,4-i]purin-5(6H)-ones
Shimada,Suzuki
, p. 3151 - 3154 (1992)
New tricyclic heterocycles, 9H-s-triazolo[3,4-i]purin-5(6H)-ones(2, 3), were prepared from 6-methylthio-7H-purin-2(3H)-ones (5a, 5d).