The CAS Registry Mumber 109480-59-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,4,8 and 0 respectively; the second part has 2 digits, 5 and 9 respectively. Calculate Digit Verification of CAS Registry Number 109480-59: (8*1)+(7*0)+(6*9)+(5*4)+(4*8)+(3*0)+(2*5)+(1*9)=133 133 % 10 = 3 So 109480-59-3 is a valid CAS Registry Number.
Synthesis of sulfonyl compounds by catalytic halogenation. Note III. Sulfonamides and sulfones of 4-substituted 5-acetylimino-delta2-1,3,4-thiadiazolines.
PALA
, p. 143 - 150 (2007/10/08)
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