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51257-26-2

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51257-26-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 51257-26-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,2,5 and 7 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 51257-26:
(7*5)+(6*1)+(5*2)+(4*5)+(3*7)+(2*2)+(1*6)=102
102 % 10 = 2
So 51257-26-2 is a valid CAS Registry Number.

51257-26-2Relevant articles and documents

Water soluble steroids with catalytic substituents II. Synthesis of 3β (4(5) imidazolyl) 5α androstane 11β,17β, diamine and comparison of its catalytic properties with those of 17β (4(5) imidazolyl) 5α androstane 3β,11β diamine

Guthrie,Ueda

, p. 3936 - 3942 (1973)

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