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74569-80-5

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74569-80-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74569-80-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,5,6 and 9 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 74569-80:
(7*7)+(6*4)+(5*5)+(4*6)+(3*9)+(2*8)+(1*0)=165
165 % 10 = 5
So 74569-80-5 is a valid CAS Registry Number.

74569-80-5Upstream product

74569-80-5Downstream Products

74569-80-5Relevant articles and documents

BROMINATION OF α-ERGOCRYPTINE AND OTHER ERGOT ALKALOIDS WITH 3-BROMO-6-CHLORO-2-METHYLIMIDAZO/1,2-b/PYRIDAZINE-BROMINE COMPLEX AS A NEW BROMINATING AGENT

Stanovnik, Branko,Tisler, Miha,Jurgec, Milan,Rucman, Rudolf

, p. 741 - 745 (2007/10/02)

A new and improved bromination of α-ergocryptine and some other ergot alkaloids of the type 1, 2 and 3 using 3-bromo-6-chloro-2-methylimidazo/1,2-b/pyridazine-bromine complex (5) as a new brominating agent, to give purified 2-bromo derivatives in yields up to 81percent, is described.

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