1005420-21-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1005420-21-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,5,4,2 and 0 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1005420-21:
(9*1)+(8*0)+(7*0)+(6*5)+(5*4)+(4*2)+(3*0)+(2*2)+(1*1)=72
72 % 10 = 2
So 1005420-21-2 is a valid CAS Registry Number.
1005420-21-2Relevant articles and documents
PROCESS FOR THE PREPARATION OF OPTICALLY PURE R (-) SALBUTAMOL AND ITS PHARMACEUTICALLY ACCEPTABLE SALTS
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Page/Page column 4, (2010/08/18)
A process for the preparation of optically pure R (?) salbutamol of formula (6) and its pharmaceutically acceptable salts by using a (+) 4-nitro tartranilic acid as the resolving agent and a binary solvent system comprising alkyl acetate and C1 /sub