1023889-29-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1023889-29-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,3,8,8 and 9 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1023889-29:
(9*1)+(8*0)+(7*2)+(6*3)+(5*8)+(4*8)+(3*9)+(2*2)+(1*9)=153
153 % 10 = 3
So 1023889-29-3 is a valid CAS Registry Number.
1023889-29-3Relevant articles and documents
PROCESS FOR PRODUCTION OF 1-HYDROXY-19-NORCYCLOVITAMIN D DERIVATIVE AND INTERMEDIATE FOR THE PRODUCTION
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Page/Page column 31, (2009/08/16)
A cyclovitamin D derivative produced from 25-hydroxyvitamin D is reacted with osmium tetraoxide or a permanganic acid salt to produce a 10,19-diolcyclovitamin D derivative. The 10,19-diolcyclovitamin D derivative is reacted with a perhalogenic acid salt o
