Cas 1570246-83-1,C12H14BrN3O2

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Check Digit Verification of cas no

The CAS Registry Mumber 1570246-83-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,7,0,2,4 and 6 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1570246-83:
(9*1)+(8*5)+(7*7)+(6*0)+(5*2)+(4*4)+(3*6)+(2*8)+(1*3)=161
161 % 10 = 1
So 1570246-83-1 is a valid CAS Registry Number.

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1570246-83-1Relevant articles and documents

A novel synthesis of tetrahydropyrazolo[1,5-c]pyrimidine-2,7(1 H,3 H)-diones

Mirnik, Jona,Gro?elj, Uro?,Novak, Ana,Dahmann, Georg,Golobi?, Amalija,Kasuni?, Marta,Stanovnik, Branko,Svete, Jurij

, p. 3404 - 3412 (2014/01/06)

A novel simple five-step synthesis of 1,6-disubstituted tetrahydropyrazolo[1,5-c]pyrimidine-2,7(1H,3H)-diones has been developed. The synthetic protocol starts with 'ring switching' transformation of commercially available 5,6-dihydro-2H-pyran-2-one into

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1570246-83-1