947340-61-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 947340-61-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,7,3,4 and 0 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 947340-61:
(8*9)+(7*4)+(6*7)+(5*3)+(4*4)+(3*0)+(2*6)+(1*1)=186
186 % 10 = 6
So 947340-61-6 is a valid CAS Registry Number.
947340-61-6Relevant articles and documents
Technique for synthesizing levorotatory betaxolol hydrochloride (by machine translation)
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Paragraph 0009, (2017/03/17)
The invention discloses a technique for synthesizing levorotatory betaxolol hydrochloride, the process adopts to hydroxy phenylacetic alcohol and R- epoxy halogen propane is used as starting material, under certain conditions after alkylation, amination,