49817-42-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 49817-42-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,9,8,1 and 7 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 49817-42:
(7*4)+(6*9)+(5*8)+(4*1)+(3*7)+(2*4)+(1*2)=157
157 % 10 = 7
So 49817-42-7 is a valid CAS Registry Number.
49817-42-7Relevant articles and documents
Optically active ester compounds and their use in perfume compositions
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Page/Page column 6-7, (2009/07/25)
Optically active ester compounds of the formula: in particular, are useful fragrance materials.