102783-18-6 Usage
Purification Methods
It recrystallises from H2O. The free base also crystallises from H2O (m 239o). [Mason J Chem Soc 2071 1954, Elion et al. J Am Chem Soc 74 411 1952, Beilstein 25 III/IV 3645.]
Check Digit Verification of cas no
The CAS Registry Mumber 102783-18-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,7,8 and 3 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 102783-18:
(8*1)+(7*0)+(6*2)+(5*7)+(4*8)+(3*3)+(2*1)+(1*8)=106
106 % 10 = 6
So 102783-18-6 is a valid CAS Registry Number.
InChI:InChI=1/2C4H6N4O.H2O4S/c2*5-2-3(6)7-1-8-4(2)9;1-5(2,3)4/h2*1H,5H2,(H3,6,7,8,9);(H2,1,2,3,4)