121277-97-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121277-97-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,2,7 and 7 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 121277-97:
(8*1)+(7*2)+(6*1)+(5*2)+(4*7)+(3*7)+(2*9)+(1*7)=112
112 % 10 = 2
So 121277-97-2 is a valid CAS Registry Number.
121277-97-2Relevant articles and documents
Benzopyran derivatives and pharmaceutical compositions containing them
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, (2008/06/13)
New benzopyran derivatives of formula: STR1 in which R1 is hydrogen, halogen, hydroxy, alkoxy, nitro, amino, alkylsulphonamido, bis(alkylsulphonyl) amino or acylamino, X is nitrogen or a >CH-radical R is a radical of formula: STR2 in which A de