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19846-91-4

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19846-91-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19846-91-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,8,4 and 6 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 19846-91:
(7*1)+(6*9)+(5*8)+(4*4)+(3*6)+(2*9)+(1*1)=154
154 % 10 = 4
So 19846-91-4 is a valid CAS Registry Number.

19846-91-4Downstream Products

19846-91-4Relevant articles and documents

BISPYRAZOLEPYRAZINES AS SELF-CONDENSATION PRODUCTS FROM 4,5-DIAMINOPYRAZOLES

Orlov, V. D.,Kiroga, Kh.,Kolos, N. N.

, p. 1008 - 1011 (2007/10/02)

Bispyrazolopyrazines have been obtained by self-condensation of 4,5-diaminopyrazoles and their structure confirmed by independent synthesis.The spectral data for these compounds is discussed.

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