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1202181-02-9

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1202181-02-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1202181-02-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,2,1,8 and 1 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1202181-02:
(9*1)+(8*2)+(7*0)+(6*2)+(5*1)+(4*8)+(3*1)+(2*0)+(1*2)=79
79 % 10 = 9
So 1202181-02-9 is a valid CAS Registry Number.

1202181-02-9Downstream Products

1202181-02-9Relevant articles and documents

Synthesis of pyrazolo[5,1-d][1,2,3,5]tetrazine-4(3H)-ones

Gao, Yaojun,Lam, Yulin

experimental part, p. 69 - 74 (2010/10/04)

A solid-phase synthesis of 5-aminopyrazole has been developed and applied to the preparation of pyrazolo[5,1-d]-[1,2,3,5]tetrazine-4(3H)-ones. In this strategy, a one-pot reaction from 5-aminopyrazoles to the pyrazolo[5,1-d]-[1,2, 3,5]tetrazine-4(3H)-ones which provided the compounds in good yields was demonstrated. Using this synthetic strategy, we prepared a representative set of 16 pyrazolo[5,1-d][l,2,3,5]tetrazine-4(3H)-ones.

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