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152749-21-8

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152749-21-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 152749-21-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,2,7,4 and 9 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 152749-21:
(8*1)+(7*5)+(6*2)+(5*7)+(4*4)+(3*9)+(2*2)+(1*1)=138
138 % 10 = 8
So 152749-21-8 is a valid CAS Registry Number.

152749-21-8Relevant articles and documents

Nitro compounds, process for preparation thereof and use thereof

-

, (2008/06/13)

A new nitro compound of the formula: STR1 wherein R1 and R2 are each lower alkyl or lower alkoxy(lower)alkyl, or STR2 is cyclized to form STR3 X is --O--, --S-- or --NH--, m is an integer 0 or 1, and R3 is carbamoyl, lower alkylcarbamoyl, lower alkanoyl, di-lower alkylaminosulfonyl, lower alkylsulfonyl, oxamoyl or a group of the formula: --(Y)n --R4 wherein Y is --CO--, --SO2 --, --COCH2 -- or STR4 n is an integer of 0 or 1, and R4 is heterocyclic group which is optionally substituted with one or more substituents selected from lower alkyl, lower alkoxy, phenyl, carbamoyl, halogen, amino, lower alkylthio, hydroxy, lower alkylsulfonylamino and carbamoylmethyl, and pharmaceutically acceptable salt thereof, which are useful as vasodilators.

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