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71687-95-1

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71687-95-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71687-95-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,6,8 and 7 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 71687-95:
(7*7)+(6*1)+(5*6)+(4*8)+(3*7)+(2*9)+(1*5)=161
161 % 10 = 1
So 71687-95-1 is a valid CAS Registry Number.

71687-95-1Relevant articles and documents

Synthetic studies towards the benzophenone precursor for balanol

Patil, Mahesh L.,Deshpande, Vishnu H.,Ramlingam,Borate, Hanumant B.

, p. 1869 - 1873 (2007/10/03)

Synthesis of 4-carboxy-2,6-dimethoxyphenyl 2′-carboxy-6′- methoxyphenyl ketone, an important precursor for balanol's benzophenone portion, has been achieved via a short and efficient route in three steps using ortho-lithiation as the key step. In another

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