165619-04-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 165619-04-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,5,6,1 and 9 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 165619-04:
(8*1)+(7*6)+(6*5)+(5*6)+(4*1)+(3*9)+(2*0)+(1*4)=145
145 % 10 = 5
So 165619-04-5 is a valid CAS Registry Number.
165619-04-5Relevant articles and documents
Synthesis of 2-alkoxyestradiols
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, (2008/06/13)
Disclosed is a method of preparing a compound represented by the following structural formula: The method comprises reacting bromine (Br2) and an aliphatic organic acid with a compound represented by the following structural formula: R1 and R2 are each independently a hydroxyl protecting group.