135352-75-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 135352-75-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,3,5 and 2 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 135352-75:
(8*1)+(7*3)+(6*5)+(5*3)+(4*5)+(3*2)+(2*7)+(1*5)=119
119 % 10 = 9
So 135352-75-9 is a valid CAS Registry Number.
135352-75-9Relevant academic research and scientific papers
Process for the synthesis of 4-hydroxy-5-halopyrrold[2,3-d]pyrimidine intermediates
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, (2008/06/13)
4-Hydroxypyrrolo[2,3-d]pyrimidines are regiospecifically halogenated at the C-5 position by silylation in the presence of an inert organic solvent and iodination, bromination or chlorination.