2859-02-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2859-02-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,8,5 and 9 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 2859-02:
(6*2)+(5*8)+(4*5)+(3*9)+(2*0)+(1*2)=101
101 % 10 = 1
So 2859-02-1 is a valid CAS Registry Number.
2859-02-1Relevant articles and documents
Vilsmeier reactions with cyclic ketals of 14-hydroxydihydrocodeinone and some new cyclic derivatives of 14-hydroxydihydrocodeinone.
Lester,Petrow,Stephenson
, p. 771 - 778 (1965)
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METHOD OF PREPARING BUPRENORPHINE
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Paragraph 0157; 0158, (2014/09/03)
An improved process for preparing buprenorphine and a method for increasing the yield of buprenorphine or a derivative thereof.
