301669-90-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 301669-90-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,1,6,6 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 301669-90:
(8*3)+(7*0)+(6*1)+(5*6)+(4*6)+(3*9)+(2*9)+(1*0)=129
129 % 10 = 9
So 301669-90-9 is a valid CAS Registry Number.
301669-90-9Relevant articles and documents
Ambroxol impurity as well as preparation method and application thereof
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Paragraph 0048-0053; 0064-0066, (2019/10/01)
The invention discloses an ambroxol impurity and furthermore discloses a synthesis method of the ambroxol impurity, and application of the ambroxol impurity in ambroxol quality control. The ambroxol impurity is synthesized from ambroxol hydrochloride as a