149530-71-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 149530-71-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,5,3 and 0 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 149530-71:
(8*1)+(7*4)+(6*9)+(5*5)+(4*3)+(3*0)+(2*7)+(1*1)=142
142 % 10 = 2
So 149530-71-2 is a valid CAS Registry Number.
149530-71-2Relevant articles and documents
Method for synthesizing amorolfine drug intermediate p-tert-amyl benzyl bromide
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Paragraph 0010-0011, (2017/03/08)
A method for synthesizing an amorolfine drug intermediate p-tert-amyl benzyl bromide includes the following steps that 0.71 mol of tertiary amyl benzyl ammonium, 0.82-0.84 mol of bromoethane, 0.86 mol of cuprous bromide and 300 ml of oxalic acid solution