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6440-05-7

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6440-05-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6440-05-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,4 and 0 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 6440-05:
(6*6)+(5*4)+(4*4)+(3*0)+(2*0)+(1*5)=77
77 % 10 = 7
So 6440-05-7 is a valid CAS Registry Number.

6440-05-7Downstream Products

6440-05-7Relevant articles and documents

HETEROCYCLIZATION OF COMPOUNDS CONTAINING DIAZO AND CYANO GROUPS. 2. SYNTHESIS AND RECYCLIZATION OF 4-SUBSTITUTED 5-AMINO-1,2,3-THIADIAZOLES

Shafran, Yu. M.,Bakulev, B. A.,,Mokrushin, V. S.,Validuda, G. I.

, p. 567 - 571 (1986)

The reaction of carbonyl derivatives of diazoacetonitrile with hydrogen sulfide in the presence of triethylamine yields 4-substituted 5-amino-1,2,3-thiadiazoles.Under analogous conditions, hydrogen selenide and ethyl mercaptan reduce the starting diazo co

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