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20353-90-6

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20353-90-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20353-90-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,3,5 and 3 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 20353-90:
(7*2)+(6*0)+(5*3)+(4*5)+(3*3)+(2*9)+(1*0)=76
76 % 10 = 6
So 20353-90-6 is a valid CAS Registry Number.

20353-90-6Downstream Products

20353-90-6Relevant articles and documents

LACTAM AND AMIDE ACETALS. 56. SYNTHESIS OF PYRIMIDINES FROM N-CARBAMOYLAMIDINES

Dozorova, E. N.,Grizik, S. I.,Granik, V. G.

, p. 70 - 73 (2007/10/02)

N-Carbamoyl-N.N'-dimethylformamidine reacts with ethyl anthranilate to give quinazoline-2,4-dione, and with cyanoacetamide to give 4-amino-5-carbamoylpyrimidin-2-one.The reaction of dimethylacetamide diethyl acetal with urea proceeds via N-carbamoyl-N',N'-dimethylacetamidine with the subsequent formation of 4-dimethylamino-6-methyl-pyrimidin-2-one and 4,6-dimethyl-sym-triazin-2-one.

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