677017-23-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 677017-23-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,7,0,1 and 7 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 677017-23:
(8*6)+(7*7)+(6*7)+(5*0)+(4*1)+(3*7)+(2*2)+(1*3)=171
171 % 10 = 1
So 677017-23-1 is a valid CAS Registry Number.
677017-23-1Relevant articles and documents
METHOD OF ARALKYLATION OF 4'-HYDROXYL GROUP OF ANTHRACYLINS
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Page/Page column 3, (2009/07/18)
A method for the aralkylation of anthracyclins by utilizing an aralkylating agent R3-CH2X (for example, BnBr) in accordance with the reaction pathway describe by the scheme shown in FIG. 1. The present invention recognizes that 4-Rs